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Factorizations
Factorizations of 88...8812008-10-23(Thu) 21:10

Last update

Oct 23, 2008 21:10 JST

Sequence

1, 81, 881, 8881, 88881, ...

General term

(8·10n-71)/9

Room for prime numbers

upper limit of periods: 10000
upper limit of periodical factors: 4294967296
checked terms: 100000000
terms divided by periodical factors: 84084180
room for prime numbers: 15.92%

Prime numbers

  1. (8·103-71)/9 = 881 is prime. (Makoto Kamada / Jun 4, 2003)
  2. (8·1019-71)/9 = (8)181<19> is prime. (Makoto Kamada / PPSIQS / Jun 4, 2003)
  3. (8·1079-71)/9 = (8)781<79> is prime. (Makoto Kamada / PPSIQS / Jun 4, 2003)
  4. (8·10139-71)/9 = (8)1381<139> is prime. (Makoto Kamada / pock 0.1.1a / Jun 4, 2003)
  5. (8·10223-71)/9 = (8)2221<223> is prime. (Makoto Kamada / pock 0.1.1a / Jun 4, 2003)
  6. (8·10463-71)/9 = (8)4621<463> is prime. (Makoto Kamada / pock 0.1.1a / Jun 4, 2003)
  7. (8·10544-71)/9 = (8)5431<544> is prime. (Makoto Kamada / pock 0.1.1a / Jun 4, 2003)
  8. (8·101096-71)/9 = (8)10951<1096> is prime. (searched by Makoto Kamada / Jun 4, 2003) (certified by Tyler Cadigan / PRIMO 2.2.0 beta 6 / Sep 13, 2006)
  9. (8·101419-71)/9 = (8)14181<1419> is prime. (searched by Makoto Kamada / Jun 4, 2003) (certified by Tyler Cadigan / PRIMO 2.2.0 beta 6 / Sep 8, 2006)
  10. (8·103247-71)/9 = (8)32461<3247> is PRP. (Makoto Kamada / Jan 16, 2004)
  11. (8·103877-71)/9 = (8)38761<3877> is PRP. (Makoto Kamada / Jan 16, 2004)
  12. (8·104417-71)/9 = (8)44161<4417> is prime. (searched by Makoto Kamada / Jan 16, 2004) (certified by Makoto Kamada / pock 0.2.1 / Jan 16, 2004)
  13. (8·109507-71)/9 = (8)95061<9507> is PRP. (Makoto Kamada / Jan 18, 2004)
  14. (8·1011091-71)/9 = (8)110901<11091> is PRP. (Makoto Kamada / Jan 19, 2004)
  15. (8·1014602-71)/9 = (8)146011<14602> is PRP. (Makoto Kamada / Jan 20, 2004)
Searched:
References:

Condition

n≤200

Status

Completed up to n=100. (Jun 4, 2003)
Completed up to n=150. (Mar 28, 2005)
The following numbers are not factored yet. (n≤200)
n= 171, 173, 176, 179, 180, 182, 184, 187, 188, 191, 193, 196, 197, 198, 199 (15/200)

Factorization results

(8·101-71)/9 =
1
(8·102-71)/9 =
81
= 34
(8·103-71)/9 =
881
= definitely prime number
(8·104-71)/9 =
8881
= 83 · 107
(8·105-71)/9 =
88881
= 3 · 13 · 43 · 53
(8·106-71)/9 =
888881
= 7 · 23 · 5521
(8·107-71)/9 =
8888881
= 59 · 150659
(8·108-71)/9 =
88888881
= 3 · 29629627
(8·109-71)/9 =
888888881
= 10903 · 81527
(8·1010-71)/9 =
8888888881<10>
= 31 · 286738351
(8·1011-71)/9 =
88888888881<11>
= 32 · 13 · 759734093
(8·1012-71)/9 =
888888888881<12>
= 72 · 18917 · 958957
(8·1013-71)/9 =
8888888888881<13>
= 17 · 2357 · 221839549
(8·1014-71)/9 =
88888888888881<14>
= 3 · 19 · 1559454191033<13>
(8·1015-71)/9 =
888888888888881<15>
= 463 · 1919846412287<13>
(8·1016-71)/9 =
8888888888888881<16>
= 429427 · 20699417803<11>
(8·1017-71)/9 =
88888888888888881<17>
= 3 · 13 · 2279202279202279<16>
(8·1018-71)/9 =
888888888888888881<18>
= 7 · 47 · 53 · 181 · 461 · 541 · 971 · 1163
(8·1019-71)/9 =
8888888888888888881<19>
= definitely prime number
(8·1020-71)/9 =
88888888888888888881<20>
= 32 · 1879 · 5256276322446271<16>
(8·1021-71)/9 =
888888888888888888881<21>
= 6718447 · 132305708281823<15>
(8·1022-71)/9 =
8888888888888888888881<22>
= 13622269 · 652526307393349<15>
(8·1023-71)/9 =
88888888888888888888881<23>
= 3 · 13 · 15737 · 16267 · 8903350261501<13>
(8·1024-71)/9 =
888888888888888888888881<24>
= 7 · 126984126984126984126983<24>
(8·1025-71)/9 =
8888888888888888888888881<25>
= 29 · 31 · 631471 · 15657931011246389<17>
(8·1026-71)/9 =
88888888888888888888888881<26>
= 3 · 43 · 131 · 1321 · 20231 · 196818675056869<15>
(8·1027-71)/9 =
888888888888888888888888881<27>
= 1223 · 726810211683474152811847<24>
(8·1028-71)/9 =
8888888888888888888888888881<28>
= 23 · 386473429951690821256038647<27>
(8·1029-71)/9 =
88888888888888888888888888881<29>
= 33 · 132 · 17 · 165768833 · 6912660170884667<16>
(8·1030-71)/9 =
888888888888888888888888888881<30>
= 7 · 8229812369<10> · 15429771821098851607<20>
(8·1031-71)/9 =
8888888888888888888888888888881<31>
= 53 · 13182817 · 84448409 · 150650963181109<15>
(8·1032-71)/9 =
88888888888888888888888888888881<32>
= 3 · 19 · 2145631 · 726804464995676517331943<24>
(8·1033-71)/9 =
888888888888888888888888888888881<33>
= 521 · 45161 · 623969962267<12> · 60545590739603<14>
(8·1034-71)/9 =
8888888888888888888888888888888881<34>
= 6166431269371<13> · 1441496467014962799811<22>
(8·1035-71)/9 =
88888888888888888888888888888888881<35>
= 3 · 13 · 1951 · 14975061296141<14> · 78011206099967069<17>
(8·1036-71)/9 =
888888888888888888888888888888888881<36>
= 7 · 2713 · 8681 · 66141471217<11> · 81518473141676983<17>
(8·1037-71)/9 =
8888888888888888888888888888888888881<37>
= 89 · 79537 · 16616381 · 38436468533<11> · 1966112409929<13>
(8·1038-71)/9 =
88888888888888888888888888888888888881<38>
= 32 · 1084849939<10> · 7724864303411<13> · 1178540305996321<16>
(8·1039-71)/9 =
888888888888888888888888888888888888881<39>
= 173 · 36931 · 1359571 · 4535467 · 1585500439<10> · 14230495969<11>
(8·1040-71)/9 =
8888888888888888888888888888888888888881<40>
= 31 · 61 · 4700628709089840766202479581644044891<37>
(8·1041-71)/9 =
88888888888888888888888888888888888888881<41>
= 3 · 13 · 2617 · 983916907 · 885157848718339259402330141<27>
(8·1042-71)/9 =
888888888888888888888888888888888888888881<42>
= 7 · 991 · 128137363253407653004020309772075665113<39>
(8·1043-71)/9 =
8888888888888888888888888888888888888888881<43>
= 65831947 · 135023940411315632042432056413110323<36>
(8·1044-71)/9 =
88888888888888888888888888888888888888888881<44>
= 3 · 53 · 11252947 · 18554857 · 2677481434779879666846992621<28>
(8·1045-71)/9 =
888888888888888888888888888888888888888888881<45>
= 17 · 83 · 911 · 691515767121346927496041288331907514261<39>
(8·1046-71)/9 =
8888888888888888888888888888888888888888888881<46>
= 15797 · 167119 · 33403744579<11> · 100797991149542222875941473<27>
(8·1047-71)/9 =
88888888888888888888888888888888888888888888881<47>
= 32 · 13 · 43 · 653 · 2427547 · 294535225411303<15> · 37842087841934265887<20>
(8·1048-71)/9 =
888888888888888888888888888888888888888888888881<48>
= 7 · 569 · 3497447721616025750009<22> · 63809587862624493535223<23>
(8·1049-71)/9 =
8888888888888888888888888888888888888888888888881<49>
= 26947 · 25514057 · 2162391367505209<16> · 5978926778342831344571<22>
(8·1050-71)/9 =
88888888888888888888888888888888888888888888888881<50>
= 3 · 19 · 23 · 9931001 · 45044801020766467<17> · 151567849043325876078413<24>
(8·1051-71)/9 =
888888888888888888888888888888888888888888888888881<51>
= 5441 · 187633 · 870681925921607488687009073049953142091777<42>
(8·1052-71)/9 =
8888888888888888888888888888888888888888888888888881<52>
= 1217 · 22109 · 6404837 · 481089942596317973<18> · 107214479151393796477<21>
(8·1053-71)/9 =
88888888888888888888888888888888888888888888888888881<53>
= 3 · 13 · 29 · 136270340632817<15> · 576744592231032232729469374562790403<36>
(8·1054-71)/9 =
888888888888888888888888888888888888888888888888888881<54>
= 72 · 26814543473<11> · 676520545182022302648594633967471367313553<42>
(8·1055-71)/9 =
8888888888888888888888888888888888888888888888888888881<55>
= 31 · 97 · 3623519 · 189425066248877<15> · 4306714264082491493824469353141<31>
(8·1056-71)/9 =
88888888888888888888888888888888888888888888888888888881<56>
= 33 · 379 · 7949 · 130873 · 8835271 · 945065857484042272376244847931973971<36>
(8·1057-71)/9 =
888888888888888888888888888888888888888888888888888888881<57>
= 53 · 107 · 193 · 78666395233<11> · 10323840150524699838333063277731031270919<41>
(8·1058-71)/9 =
8888888888888888888888888888888888888888888888888888888881<58>
= 498523 · 851653331 · 7135029683<10> · 40640303983<11> · 72201579164634034912933<23>
(8·1059-71)/9 =
88888888888888888888888888888888888888888888888888888888881<59>
= 3 · 13 · 49687171 · 28122695780551<14> · 1631103994522602001795775298185143499<37>
(8·1060-71)/9 =
888888888888888888888888888888888888888888888888888888888881<60>
= 7 · 22382539 · 229305638501046584779<21> · 24741461699896821840402393702143<32>
(8·1061-71)/9 =
8888888888888888888888888888888888888888888888888888888888881<61>
= 17 · 236061787981<12> · 2214995580036651117411167243116947866112883734053<49>
(8·1062-71)/9 =
88888888888888888888888888888888888888888888888888888888888881<62>
= 3 · 2017 · 85301747 · 26225923710854069<17> · 6566464570504925692919520146377717<34>
(8·1063-71)/9 =
888888888888888888888888888888888888888888888888888888888888881<63>
= 1523 · 4912717 · 56531403083575552049<20> · 2101532267023288646260054939637159<34>
(8·1064-71)/9 =
8888888888888888888888888888888888888888888888888888888888888881<64>
= 47 · 189125295508274231678486997635933806146572104018912529550827423<63>
(8·1065-71)/9 =
88888888888888888888888888888888888888888888888888888888888888881<65>
= 32 · 13 · 59 · 3701 · 1088973377<10> · 303995090251100465972281<24> · 10510096104519528280304371<26>
(8·1066-71)/9 =
888888888888888888888888888888888888888888888888888888888888888881<66>
= 7 · 4898978164861898521<19> · 25920533366514126547728464295933731547189141023<47>
(8·1067-71)/9 =
8888888888888888888888888888888888888888888888888888888888888888881<67>
= 167 · 691 · 77028769282467385537655995293542196841242743649218687564571773<62>
(8·1068-71)/9 =
88888888888888888888888888888888888888888888888888888888888888888881<68>
= 3 · 19 · 43 · 2131 · 6269 · 170254037 · 295299912085811<15> · 53996015152374393925890925396288147<35>
(8·1069-71)/9 =
888888888888888888888888888888888888888888888888888888888888888888881<69>
= 2719 · 400492068099919309260053891<27> · 816289764382078963675800945862580041189<39>
(8·1070-71)/9 =
8888888888888888888888888888888888888888888888888888888888888888888881<70>
= 31 · 53 · 5593933 · 14919899 · 64822648381886377878864607954612907728294457759426701<53>
(8·1071-71)/9 =
88888888888888888888888888888888888888888888888888888888888888888888881<71>
= 3 · 13 · 12269 · 25782478840997<14> · 812380943352796833287339<24> · 8869299220444799545368748277<28>
(8·1072-71)/9 =
888888888888888888888888888888888888888888888888888888888888888888888881<72>
= 7 · 23 · 643 · 1668197 · 6213329 · 8229898096327<13> · 100657116378141820071800745747399028680697<42>
(8·1073-71)/9 =
8888888888888888888888888888888888888888888888888888888888888888888888881<73>
= 8707 · 273028115151124299921594622127<30> · 3739138587461123013152500959152842095029<40>
(8·1074-71)/9 =
88888888888888888888888888888888888888888888888888888888888888888888888881<74>
= 32 · 439 · 1009 · 11593 · 406305744846919<15> · 4733697296026733409530573370842010524484416968177<49>
(8·1075-71)/9 =
888888888888888888888888888888888888888888888888888888888888888888888888881<75>
= 1777500551171<13> · 738610902514735016191<21> · 677051991029488950450954333241680438526021<42>
(8·1076-71)/9 =
8888888888888888888888888888888888888888888888888888888888888888888888888881<76>
= 196329017453876627<18> · 408127380570996094019895197<27> · 110934658964609358607707792602599<33>
(8·1077-71)/9 =
88888888888888888888888888888888888888888888888888888888888888888888888888881<77>
= 3 · 13 · 17 · 1277 · 2693 · 24671 · 1580228700104359994278810009280097536052792922700454910098211577<64>
(8·1078-71)/9 =
888888888888888888888888888888888888888888888888888888888888888888888888888881<78>
= 7 · 2528848985352522676451939784596499379<37> · 50214199313457754848541437127593997981277<41>
(8·1079-71)/9 =
8888888888888888888888888888888888888888888888888888888888888888888888888888881<79>
= definitely prime number
(8·1080-71)/9 =
88888888888888888888888888888888888888888888888888888888888888888888888888888881<80>
= 3 · 1613 · 40883107 · 15585342899782768659768643<26> · 28829134219884499306529420894315598493139279<44>
(8·1081-71)/9 =
888888888888888888888888888888888888888888888888888888888888888888888888888888881<81>
= 29 · 89 · 1321 · 2690413378357921793801402050213571<34> · 96903093493987576368609224964944953453111<41>
(8·1082-71)/9 =
8888888888888888888888888888888888888888888888888888888888888888888888888888888881<82>
= 173 · 1229 · 3945591126929212855234515047341<31> · 10595889322126517983408650959985373083651497773<47>
(8·1083-71)/9 =
88888888888888888888888888888888888888888888888888888888888888888888888888888888881<83>
= 36 · 13 · 53 · 57917 · 317006843 · 1674055328563<13> · 7216748611643632944824581<25> · 797837871113510456395251257<27>
(8·1084-71)/9 =
888888888888888888888888888888888888888888888888888888888888888888888888888888888881<84>
= 7 · 35291 · 887706916610772347182381078057<30> · 4053366456519784905809470378368256694966467986109<49>
(8·1085-71)/9 =
8888888888888888888888888888888888888888888888888888888888888888888888888888888888881<85>
= 31 · 521 · 550361518722610915044820066180972626393962534139612958261958323873994730288458231<81>
(8·1086-71)/9 =
88888888888888888888888888888888888888888888888888888888888888888888888888888888888881<86>
= 3 · 19 · 83 · 18788604711242631344089809530519739777824749289555884356138002301604077127222339651<83>
(8·1087-71)/9 =
888888888888888888888888888888888888888888888888888888888888888888888888888888888888881<87>
= 109 · 1263973 · 32277341214990394143955899553442483<35> · 199887404728223010762012318837562578396947851<45>
(8·1088-71)/9 =
8888888888888888888888888888888888888888888888888888888888888888888888888888888888888881<88>
= 149 · 233 · 12060263 · 72299377 · 276582044149<12> · 33239308235456741024707<23> · 31940226795476121026729300724478301<35>
(8·1089-71)/9 =
88888888888888888888888888888888888888888888888888888888888888888888888888888888888888881<89>
= 3 · 13 · 43 · 10430491 · 16646603989197860869769040853249813<35> · 305269920906073964862676275148312349050843891<45>
(8·1090-71)/9 =
888888888888888888888888888888888888888888888888888888888888888888888888888888888888888881<90>
= 7 · 3508529 · 1643845512597780354407<22> · 22017264842843865875175525533113629560308734599744099288000561<62> (Tetsuya Kobayashi / GMP-ECM 5.0.1)
(8·1091-71)/9 =
8888888888888888888888888888888888888888888888888888888888888888888888888888888888888888881<91>
= 20449062123472983809<20> · 434684428812290042845221327435408021817101768176807498920423104266479409<72>
(8·1092-71)/9 =
88888888888888888888888888888888888888888888888888888888888888888888888888888888888888888881<92>
= 32 · 2113 · 60733 · 11715566063<11> · 8813225736463<13> · 745388289480452160330846496691960998138813141742322295609309<60>
(8·1093-71)/9 =
888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888881<93>
= 17 · 2696115030937<13> · 11483599970747714926155066763<29> · 1688815020727957610163511649492862010519660937390203<52> (Robert Backstrom / GMP-ECM 5.1-beta)
(8·1094-71)/9 =
8888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888881<94>
= 23 · 2089 · 27400739281294450653350657130997847<35> · 6751789924398795820044515553309704269982630304638508409<55>
(8·1095-71)/9 =
88888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888881<95>
= 3 · 13 · 751 · 25643 · 118351591173669892250372472170360444015303350122585020192977615941800029851614726450203<87>
(8·1096-71)/9 =
888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888881<96>
= 72 · 53 · 197 · 28127311699091475717621756525652811877371017<44> · 61770494179837268416339866155100718972737924977<47> (Makoto Kamada / SNFS / 1:25:50:00)
(8·1097-71)/9 =
8888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888881<97>
= 14503 · 17823961 · 2457429409<10> · 1744213981564905120913395288131159<34> · 8022405177340373713830839574813892971117497<43>
(8·1098-71)/9 =
88888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888881<98>
= 3 · 54282207787<11> · 2423826651558293<16> · 29727000040575628051<20> · 154958492662377467143<21> · 48887822766425277985710802296329<32>
(8·1099-71)/9 =
888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888881<99>
= 647 · 5867 · 172657 · 1356259889931005229816485521070076654865091525342968551827405052950714464615470518884517<88>
(8·10100-71)/9 =
8888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888881<100>
= 31 · 61 · 74019168002909<14> · 63505559923412042302140898835651827595404215317636188119825948724364686252641874199<83>
(8·10101-71)/9 =
(8)1001<101>
= 32 · 13 · 4449335617<10> · 8425709268442390289899<22> · 20265623970866581742765754643906510295322366305985171061132463319271<68>
(8·10102-71)/9 =
(8)1011<102>
= 7 · 7605794856281<13> · 16695707599746954086327152035648994949038467650651446221066874196535283527736224853134943<89>
(8·10103-71)/9 =
(8)1021<103>
= 113 · 13861569351329549<17> · 5674879339866747267463496639822848551568696179389286070855900765235883040721782702213<85>
(8·10104-71)/9 =
(8)1031<104>
= 3 · 19 · 3042757 · 138325193263606332629041159<27> · 3705135251482543084096447177205699868239076100608900164360189406871091<70>
(8·10105-71)/9 =
(8)1041<105>
= 203713 · 349476778536336206471041424143<30> · 9731811870711670722256054349377<31> · 1282970600251542730234855151609912933567<40> (Naoki Yamamoto)
(8·10106-71)/9 =
(8)1051<106>
= 5563 · 9566651 · 39652423 · 4212197794122985174139765673593616930297996668017871812810767646718890538214029381601119<88>
(8·10107-71)/9 =
(8)1061<107>
= 3 · 132 · 4683428044274788695884568685501718594255477<43> · 37434812831308763886176667704776775216556641507968389073947479<62> (Naoki Yamamoto)
(8·10108-71)/9 =
(8)1071<108>
= 7 · 9719 · 13065554787954211763245614464875705744107843089219774063893829301793084075211866136858420015123379667057<104>
(8·10109-71)/9 =
(8)1081<109>
= 17 · 29 · 53 · 206207316037<12> · 10018708762221822391<20> · 340230700565527765668021647<27> · 483988862228812184876428771896242720835631661461<48>
(8·10110-71)/9 =
(8)1091<110>
= 33 · 43 · 47 · 107 · 1657 · 17482455018321939827204777920237<32> · 525543530548990224655205437930526769887413862536485408822128741629361<69> (Naoki Yamamoto / GGNFS / 5 hours)
(8·10111-71)/9 =
(8)1101<111>
= 773982442441174323743<21> · 251387268111793279704641072230347489632606863<45> · 4568494329473825862721554802202344882899895009<46> (Naoki Yamamoto)
(8·10112-71)/9 =
(8)1111<112>
= 485067313962472488439347747143603<33> · 18325062590336859694276228865377928058153164816809446347805530847002505332697227<80> (Naoki Yamamoto / GGNFS / 9 hours)
(8·10113-71)/9 =
(8)1121<113>
= 3 · 13 · 83663 · 153711846664609711<18> · 177231983069493102974361350581664202340961497565078351742821005439030049433002047865561703<90>
(8·10114-71)/9 =
(8)1131<114>
= 7 · 1453 · 2335702570421513<16> · 37416769157580502838849426341185078497096424009885420752322100410590931626686004276743772594347<95>
(8·10115-71)/9 =
(8)1141<115>
= 31 · 121291 · 1043897 · 2264642000471293339283637934748890788674320983127638368396331236683139459254196934771902610166135285013<103>
(8·10116-71)/9 =
(8)1151<116>
= 3 · 23 · 735617 · 16063601 · 109019383402061093438046906916001575062431627810626892921568063813135716388375710721471973193579329997<102>
(8·10117-71)/9 =
(8)1161<117>
= 257 · 619 · 1656131 · 3373875236813289361413944138329428743352924724067948308584939959525350602544711884579349353522908207592497<106>
(8·10118-71)/9 =
(8)1171<118>
= 854713 · 4072216400459<13> · 2553855491797479409134003606517065666530764357990719879634496281236696984542599072088573152526495243<100>
(8·10119-71)/9 =
(8)1181<119>
= 32 · 13 · 4349 · 7250090209<10> · 686600106509497280753338336393<30> · 35093358369431750921247187546668283152322260369035773250571420822511363561<74>
(8·10120-71)/9 =
(8)1191<120>
= 7 · 41109083 · 7250708775037199879025189199<28> · 426021175353918824704540396267389351147465945869342287540201528994822049771054339499<84> (Naoki Yamamoto / GGNFS-0.42.0 / 3 hours)
(8·10121-71)/9 =
(8)1201<121>
= 1471 · 49363 · 122414611627165973343205337273394506087622784552408959882263585170777801494078597895845538357021807782045900928597<114>
(8·10122-71)/9 =
(8)1211<122>
= 3 · 19 · 53 · 587 · 446987627 · 71032228691<11> · 7668218938047491<16> · 18572744985853093069<20> · 11085036013825342181721653847398086495171005588575704805052601<62>
(8·10123-71)/9 =
(8)1221<123>
= 59 · 2371 · 39675256449581<14> · 13743112145606138592276235346147400975883<41> · 11653572407563622678749471750669621137543866870846033463628735823<65> (Chris Monico / GGNFS)
(8·10124-71)/9 =
(8)1231<124>
= 76949 · 2503548361<10> · 861097009984146735768443<24> · 53584160493399308546694467898624164519984954926129232214905491028970841961120414026303<86>
(8·10125-71)/9 =
(8)1241<125>
= 3 · 13 · 17 · 89 · 173 · 922504058548251284436573284168962093370710273699<48> · 9439077542687304031267742292486251570088463036922530791706458855090329<70> (Naoki Yamamoto / GGNFS-0.42.0 / 3.5 hours)
(8·10126-71)/9 =
(8)1251<126>
= 7 · 10753 · 50015167 · 26794209605759549323741377211159<32> · 8812053354955212732888180895616445856204044471539992512380225423754780097963424687<82> (Tetsuya Kobayashi / GMP-ECM 5.0.3)
(8·10127-71)/9 =
(8)1261<127>
= 83 · 1865105467<10> · 105934501096801915597<21> · 110200847210304023324324034241<30> · 4918624074668189416786041803705616666773072510488259702943059130773<67> (Tetsuya Kobayashi / GMP-ECM 5.0.3)
(8·10128-71)/9 =
(8)1271<128>
= 32 · 3119 · 8271262583<10> · 822975312063499271<18> · 1840985544255821228641<22> · 1460477829610318119022225579<28> · 173015746420522694664354427852795265180353743893<48>
(8·10129-71)/9 =
(8)1281<129>
= 3232883 · 4712821 · 281801578199<12> · 24643089979989904878212231<26> · 8401134956961031412628320849778093199853343125109187010124360571247282830691743<79>
(8·10130-71)/9 =
(8)1291<130>
= 31 · 362791645874116663<18> · 351127620084747953086032902879<30> · 2250937896568268128530971256845564419903608981264290387459314036523226283091874263<82> (Naoki Yamamoto / GGNFS-0.42.0 / 7 hours)
(8·10131-71)/9 =
(8)1301<131>
= 3 · 13 · 43 · 205452220941053456381764541983761700591<39> · 198893883663448598360206316239185131829733873<45> · 1297125946323526646472484824054582043569965771<46> (Sinkiti Sibata / GGNFS / Mar 16, 2005)
(8·10132-71)/9 =
(8)1311<132>
= 7 · 116741 · 134207 · 46200662687<11> · 253554088157<12> · 5864474589416491152911071<25> · 589305750568560122081576433034339<33> · 200199159490266122819771512031215061754179<42>
(8·10133-71)/9 =
(8)1321<133>
= 2083 · 281540027927<12> · 44180697947286255158411062483799634703103896793670097<53> · 343072167102739027740217720669150545239984708581552287416209632653<66> (Sinkiti Sibata / GGNFS-0.73.4 / 36.87 hours / Mar 18, 2005)
(8·10134-71)/9 =
(8)1331<134>
= 3 · 29629629629629629629629629629629629629629629629629629629629629629629629629629629629629629629629629629629629629629629629629629629629627<134>
(8·10135-71)/9 =
(8)1341<135>
= 53 · 2399 · 37871 · 14651317 · 9168542230268127965990323<25> · 1374224327052693363537780164866315249599339149905394633603541387814015102346987358404305799443<94>
(8·10136-71)/9 =
(8)1351<136>
= 1283 · 1321 · 1877 · 498089 · 1208353327453057<16> · 698569176877377408059<21> · 12504339710170645098009442266870757<35> · 531474772660867332701858524435034126875097936290729<51>
(8·10137-71)/9 =
(8)1361<137>
= 33 · 13 · 29 · 521 · 1307 · 3257 · 45178793033515433<17> · 22806822638123390003<20> · 3821306597478701053158657073866937272671511567025874158999266543364122324495285588156259<88>
(8·10138-71)/9 =
(8)1371<138>
= 72 · 23 · 823 · 953126908649690815881932198872510676877162465427926423951261251<63> · 1005478979268033474209037726769876604944030148214639347290810254224411<70> (Sinkiti Sibata / GGNFS-0.73.4 / 65.93 hours / Mar 21, 2005)
(8·10139-71)/9 =
(8)1381<139>
= definitely prime number
(8·10140-71)/9 =
(8)1391<140>
= 3 · 19 · 9069503 · 77931890930521<14> · 36520205728049807<17> · 60414432968154991534262731400508009962242589944139914414154828091573789498967883246258433371282664113<101>
(8·10141-71)/9 =
(8)1401<141>
= 17 · 37955909681747<14> · 170996827842281685854881<24> · 8056215924457758988444634537844655392686637239266663982436852709000456892547424591461724032920731806299<103>
(8·10142-71)/9 =
(8)1411<142>
= 302443 · 47740051 · 343981975751<12> · 1896885341254234208239<22> · 388562204782038580671487724339<30> · 14534519597307531085378406375591<32> · 167064070229867308565942853700778597<36>
(8·10143-71)/9 =
(8)1421<143>
= 3 · 13 · 223 · 175937 · 11183087 · 577824862557427<15> · 13809248179977295317907181032580714669908659084201317843<56> · 651017798512443364918142954111615946493835558472066351647<57> (Sinkiti Sibata / GGNFS-0.73.4 / 27.43 hours / Mar 24, 2005)
(8·10144-71)/9 =
(8)1431<144>
= 7 · 4167287 · 7583438431<10> · 15189300151<11> · 503384515187967653<18> · 251718874114825600793<21> · 32242644237229034196349<23> · 1219436204419377392124805769<28> · 53099047213255715626172124761<29>
(8·10145-71)/9 =
(8)1441<145>
= 31 · 229 · 409 · 8009 · 15217 · 3248977 · 7731664887039166655722643095928718349104780680635680904453847332952354853534594682290171753771342732580575518621409509981411<124>
(8·10146-71)/9 =
(8)1451<146>
= 32 · 8071981 · 957192698577191959<18> · 244015058696722731017342474697235400573<39> · 5238522716535463823830498912093836594874424872235128509924294388313944637065183927<82> (Sinkiti Sibata / GGNFS-0.73.4 / 43.01 hours / Mar 26, 2005)
(8·10147-71)/9 =
(8)1461<147>
= 28879 · 294504784002895550590988602520201224751949031176319<51> · 104513639818877686348191140169016064234268586680938648198689183872661179840736203367068100481<93> (Sinkiti Sibata / GGNFS-0.73.4 / 37.76 hours / Mar 28, 2005)
(8·10148-71)/9 =
(8)1471<148>
= 53 · 741187 · 870778187 · 2905327130803214809<19> · 1376606724767598532151<22> · 64972764628510152434170510166330422084220957508928930913207765828950226398813873129781289587<92>
(8·10149-71)/9 =
(8)1481<149>
= 3 · 13 · 8167 · 8537 · 2060329241<10> · 1473088110229<13> · 5118471114714347680291<22> · 2104308581689304949426520852286753906835401898325844337559650752738119146612753169895049584907599<97>
(8·10150-71)/9 =
(8)1491<150>
= 7 · 39119 · 74975514714601<14> · 3953010438312526830606053<25> · 278093556698362052053293534853<30> · 20097196725658504721430579226829<32> · 1959692207996245702222602127514306060796873037<46> (Tetsuya Kobayashi / GMP-ECM 5.0.3 (B1=1000000))
(8·10151-71)/9 =
(8)1501<151>
= 97 · 4519 · 15391 · 41719 · 162947 · 3292453359199<13> · 4871484677071<13> · 291803269194541112461<21> · 204765759827187923048018365333639518591359<42> · 202235709046705564215146867811174305291181079<45> (Makoto Kamada / msieve 0.87 / 1.3 hours)
(8·10152-71)/9 =
(8)1511<152>
= 3 · 43 · 1853927 · 4204279 · 7297846909<10> · 54055784093<11> · 41852930861153999543319597376037498948438646374273<50> · 5354400016690058007150197629839830971822257922958622091177046313833<67> (Sinkiti Sibata / GGNFS-0.77.1 / 47.04 hours on Pentium 4 2.4GHz, Windows XP and Cygwin / Feb 5, 2006)
(8·10153-71)/9 =
(8)1521<153>
= 8825839534511526662522911<25> · 1296444514871243498998765398449712354381717833<46> · 77685061845475214425509536216756309596984840086525079446336201532416456388867813687<83> (suberi / GGNFS-0.77.1-20060513-pentium4 / 60.66 hours on Pentium 4 2.26GHz, Windows XP and Cygwin / Jun 18, 2006)
(8·10154-71)/9 =
(8)1531<154>
= 66931 · 582031 · 174515111 · 69342185953<11> · 31716109421076795373899516364671743827<38> · 594516036272926696957983957018200081631523371414648045151308665913465157064353040222081<87> (Chris Monico / GGNFS-08 / 35.90 hours on AMD X2, SUSE 10.1 / Oct 31, 2006)
(8·10155-71)/9 =
(8)1541<155>
= 32 · 13 · 937 · 74509 · 132589 · 2212747 · 37091469058062782483499917462771705894971403930247006429549081275708847047492954464860141256463326362174071579987208602249728132612087<134>
(8·10156-71)/9 =
(8)1551<156>
= 7 · 47 · 131 · 248692069 · 9944396663<10> · 9275005532447911<16> · 2997698735605426418767872380233<31> · 9764529913019020615309018869039972997<37> · 30717538201460534340297361939081901505386210927107<50> (JMB / GGNFS-0.77.1 gnfs for P31 x P37 x P50 / 41.67 hours on WinXP Pro, Cygwin, AMD 3800+, 4gb DDR, 6-drive SCSI RAID / Sep 18, 2006)
(8·10157-71)/9 =
(8)1561<157>
= 172 · 2473 · 2225702316403<13> · 5588026289589541715934810367532361417480956811083884735949864350280238326402657317088149883031312711029401637030354503204430810007907771891<139>
(8·10158-71)/9 =
(8)1571<158>
= 3 · 19 · 9664697394220315840642753734651277<34> · 14494535430151793717771340261148093622724469909<47> · 11132175926860369123565167768321340729065242118076195884675837389472472816681<77> (Chris Monico / GGNFS-08 / 49.61 hours on AMD64 X2 / Nov 1, 2006)
(8·10159-71)/9 =
(8)1581<159>
= 361806073 · 594834357503<12> · 298201982449876601<18> · 13850487305863329347325698656102347634983845252603054463890900595377022319169778844217624258688387583418444790823728719999<122>
(8·10160-71)/9 =
(8)1591<160>
= 23 · 31 · 61 · 6392651 · 31970329877976395940755146751589849650278596795923517650121275471860674484149446541985283903717966990341606317991472993956862604106481977550420478967<149>
(8·10161-71)/9 =
(8)1601<161>
= 3 · 13 · 532 · 180073 · 209738761 · 51115477509159931763794507652915563600336098152047<50> · 420292278186894375636799893551544441041889854586442640683219972715067693082843449444417750241<93> (Chris Monico / GGNFS-08 / 65.97 hours on AMD64 X2 / Nov 2, 2006)
(8·10162-71)/9 =
(8)1611<162>
= 7 · 1353513349<10> · 9349163828091071<16> · 8774458176325331464367297<25> · 1143651794695320684907470033490978653047649422111707212073644491688360050938218826660295677402329547796349824741<112>
(8·10163-71)/9 =
(8)1621<163>
= 107 · 331525272836625077861926530888596074621005958963348147811333<60> · 250580377244662029958853007009725953486242048898063827611155437846422355414015990463558317384787413751<102> (Robert Backstrom / GGNFS-0.77.1-20051202-athlon / 76.77 hours on Cygwin on AMD 64 3400+ / May 2, 2007)
(8·10164-71)/9 =
(8)1631<164>
= 34 · 499 · 6702863948665376016824925578772117152858124361875429504392949157960651371083473<79> · 328096432855899090449878151867788591711321056497892958204836930069357451062128363<81> (Robert Backstrom / GGNFS-0.77.1-20051202-athlon snfs / 92.52 hours on Cygwin on AMD XP 2700+ / Aug 12, 2007)
(8·10165-71)/9 =
(8)1641<165>
= 29 · 3613 · 251295937703<12> · 435798162781962839<18> · 77465914993729338831280952043855184277485727377820670991873847833612063118625912693706473903919490522248151432509100542760525874409<131>
(8·10166-71)/9 =
(8)1651<166>
= 383 · 2887 · 55815703 · 141560894710474867768362601769154727182998709670386480583402999463<66> · 1017424571164532619839800754370275756667350476653199232325748520042742652983871482885049<88> (Chris Monico / GGNFS-0.80.1 / 119.05 hours on Athlon 64 X2 4200+, Suse 10.1 / Dec 5, 2006)
(8·10167-71)/9 =
(8)1661<167>
= 3 · 13 · 7480258613071537<16> · 2269232521002778040596096495435919<34> · 134272556782880983389435035962509777764315564283238280173555744073973109616249276693619292540182473602203459354521593<117> (Robert Backstrom / GMP-ECM 6.1.3 B1=2492000, sigma=1402222048 for P34 / Feb 4, 2008)
(8·10168-71)/9 =
(8)1671<168>
= 7 · 83 · 173 · 180380873 · 1899953897191177928067350987423<31> · 30196695799267574612214510483582331213049<41> · 854539752983938975409709010100505812475698391065616612344483235106134591693546624847<84> (Makoto Kamada / GMP-ECM 6.0 B1=4000000, sigma=4082104097 for P31 / Mar 30, 2005) (Robert Backstrom / GMP-ECM 6.2.1 B1=6486000, sigma=3532503115 for P41 / Oct 12, 2008)
(8·10169-71)/9 =
(8)1681<169>
= 89 · 463 · 673 · 419791 · 47781549603347332166946262947607610229479<41> · 15979679407133185494514008168674390360680444782139128263236808135037861497132308268172748142259881307507065765651839<116> (Robert Backstrom / GMP-ECM 6.2.1 B1=2142000, sigma=1574911451 for P41 / Jul 22, 2008)
(8·10170-71)/9 =
(8)1691<170>
= 3 · 10039 · 716789 · 2965043 · 443198506540851385333367717395890976633598570600406398617488535633577<69> · 3133395045463270610737589355782572374210977477082636826967676595220533524174375587867<85> (Robert Backstrom / GGNFS-0.77.1-20051202-athlon, Msieve 1.38 snfs / 7.00 hours, 1.97 hours / Sep 30, 2008)
(8·10171-71)/9 =
(8)1701<171>
= 490495186445716499903546190527360322733<39> · [1812227547695338990139111331659481227718936923485793131187307981943599988246636920562997784520297027204900940804099010280555958260757<133>] (Makoto Kamada / GMP-ECM 5.0.3 B1=4000000, sigma=4117661868 for P39 / Mar 3, 2005) SUBMIT/RESERVE
(8·10172-71)/9 =
(8)1711<172>
= 179 · 286168242716791<15> · 859892965727862593870368712758282269775693<42> · 96055266805913240015249975071088706895776783497<47> · 2100909916748059669934740832392497068778405503990060382377373126649<67> (Serge Batalov / Msieve-1.38 snfs / 80.00 hours on Opteron-2.6GHz; Linux x86_64 / Oct 23, 2008)
(8·10173-71)/9 =
(8)1721<173>
= 32 · 13 · 17 · 43 · 73819349 · 689479898902332034363<21> · [20419843941197353791040696092597137963865400866495972289330486942965055929496647996235911574909705507595684650681311127191200053805001729569<140>] SUBMIT/RESERVE
(8·10174-71)/9 =
(8)1731<174>
= 7 · 53 · 12101 · 1939607078801257064760060301<28> · 850114323448304243508033259581857<33> · 78519989734889223718360727461925074539577<41> · 1529258766563958643337276955202978587578375066092351071414778732099<67> (Serge Batalov / GMP-ECM 6.2.1 B1=1000000, sigma=2205476459 for P28 / Jul 14, 2008) (Serge Batalov / GMP-ECM 6.2.1 B1=1000000, sigma=2137109807 for P33, pol51+Msieve 1.36 gnfs for P41 x P67 / 8.5 hours on Opteron-2.6GHz; Linux x86_64 / Aug 7, 2008)
(8·10175-71)/9 =
(8)1741<175>
= 31 · 5771423368902638327030970168234828127947353990816013247148660980653867079991<76> · 49682432378721834064763150900527183566952281275682356497289727057025185041987238713931398215237961<98> (Wataru Sakai / GGNFS-0.77.1-20060722-nocona snfs / 201.98 hours / Jul 6, 2008)
(8·10176-71)/9 =
(8)1751<176>
= 3 · 19 · 1361 · 220573 · [5194720035499612325124803412322584986607086016904673173039342531034278692866162699397252541490932012658708402363721980347333486400655202962868877752096004634414000061<166>] SUBMIT/RESERVE
(8·10177-71)/9 =
(8)1761<177>
= 2521 · 12347 · 508009 · 2364600556759857195209813<25> · 652164356657968751849283918254856440873<39> · 286392555317369108538464512499833719018257<42> · 127281476955854375844191574769583701186317121525016829505199<60> (Serge Batalov / GMP-ECM 6.2.1 B1=1000000, sigma=2437338572 for P39, pol51+Msieve 1.36 gnfs for P42 x P60 / 5.2 hours on Opteron-2.2GHz; Linux x86_64 / Aug 7, 2008)
(8·10178-71)/9 =
(8)1771<178>
= 1109 · 8231 · 973785558859975126352023649940353808671903661057576641396809691055454640940858947758242787404682674264920625339280582566236802421259364971796553166725684157693324034168139<171>
(8·10179-71)/9 =
(8)1781<179>
= 3 · 13 · 643 · 231493 · 4612865269357711<16> · 13902758998683854968064087<26> · [238760384678050922979561192592846013047005846266107290401202354742705994220544304272740756062856565469878949800028684278789887953<129>] SUBMIT/RESERVE
(8·10180-71)/9 =
(8)1791<180>
= 72 · 2505187631<10> · 3435489058820224776636748481<28> · [2107766845891559960474959151976251293083879578904883188220904727811912904612851274427190177419790962195634645473514808274902121482667709595279<142>] SUBMIT/RESERVE
(8·10181-71)/9 =
(8)1801<181>
= 59 · 683861 · 8508809 · 25891597908684992645648022748802226497155001257591940767782054567108407190642635730970088488051992309404561295385219252791449435922916668845867313041149166918903035391<167>
(8·10182-71)/9 =
(8)1811<182>
= 32 · 23 · 414767 · 12216137 · [84749870276535585287544139659011584594572552378694215304601946563789266586000289442128184309098809267029958741214908895133096150758160762680829901173516322298071319977<167>] SUBMIT/RESERVE
(8·10183-71)/9 =
(8)1821<183>
= 1091 · 40517427999992750644971313<26> · 20108554749288563049085038378351683714010018036089498928286871378013772235837427720024391431816946494067043168752683550372495580299001543466655132434310507<155>
(8·10184-71)/9 =
(8)1831<184>
= 479 · 3907 · 1257721469<10> · 34151974561<11> · [110577880240971693916784665454439628638611705235624939685981331959586119730740398994595766530939017982500614323523061850019802952184332483306187706612758283753<159>] SUBMIT/RESERVE
(8·10185-71)/9 =
(8)1841<185>
= 3 · 132 · 263 · 4903 · 355536317138883920909919293<27> · 382417631234544875223261385977761924949168447274795799309132361246624756201035344604262215883806433138782353081745938192649676222164281651936447940879<150>
(8·10186-71)/9 =
(8)1851<186>
= 7 · 6247 · 987895103890722668057692699475951929826842691<45> · 1518369038049027997383307706026952156843005415743<49> · 13551574573816468594611225834346709335102626184834964057831450659712303002693008791158453<89> (Robert Backstrom / GMP-ECM 6.2.1 B1=6016000, sigma=513170549, GGNFS-0.77.1-20051202-athlon, Msieve 1.38 snfs for P45 / 82.38 hours, 7.33 hours / Oct 18, 2008)
(8·10187-71)/9 =
(8)1861<187>
= 53 · 657557 · [255057561087505374421486809017543493507281824822328736172664072622870943274819016016687064416881712869913448033930077799665861204453410865475695152129544602472051677186946183355161<180>] SUBMIT/RESERVE
(8·10188-71)/9 =
(8)1871<188>
= 3 · 1336968865397089517113<22> · [22161794785572222910269009334637656789419305639771418031827569683660478599899581069266736179786434409603598389295392825379772403513623389487504283341029211783642552979<167>] SUBMIT/RESERVE
(8·10189-71)/9 =
(8)1881<189>
= 17 · 521 · 30259 · 1773229 · 625516159 · 74065325249<11> · 345781643941<12> · 292088948280678446566609<24> · 222819387861185833526742714383975148891821116287140753681<57> · 1793981384058924893821212283538113799870047038762128239533917597<64> (Tyler Cadigan / GGNFS-0.77.1-20060722-pentium4 gnfs for P57 x P64 / 137.34 hours on Pentium 4 3.20 GHz, 1 Gig RAM, Windows XP and Cygwin / Dec 21, 2006)
(8·10190-71)/9 =
(8)1891<190>
= 31 · 130631 · 1819798107166331261<19> · 79551780549152904467<20> · 516691240715476214463353437<27> · 13300943125012238261994582238288397549590803371621527<53> · 2206240654687068048051269685385242576181184555049501743077860013517<67> (Tyler Cadigan / GGNFS-0.77.1-20060722-pentium4 gnfs for P53 x P67 / 115.85 hours on Pentium 4 3.20 GHz, 1 Gig RAM, Windows XP and Cygwin / Nov 22, 2006)
(8·10191-71)/9 =
(8)1901<191>
= 33 · 13 · 1321 · 34884649 · [5495449051848404966558928951211083283901429216715746006585959195384341491885404699358947504978452402216834843745238234104756206599299962806060426917068885905884927643515686627839<178>] SUBMIT/RESERVE
(8·10192-71)/9 =
(8)1911<192>
= 7 · 661 · 4423 · 918419027 · 9174173892538253266225939<25> · 5154935058742217712656294531537103089343858067479717509006606532097519712153206233999331848191115257439305943702770323090317635837114761478653031590837<151>
(8·10193-71)/9 =
(8)1921<193>
= 29 · 13037 · 95429 · 1954273 · 616387325353963<15> · 155967454343851902313<21> · [1311349713579882372201451428875598869708960483660934388713498668498802042845127743928720995032886817171891942443172313430886032172979412591639<142>] SUBMIT/RESERVE
(8·10194-71)/9 =
(8)1931<194>
= 3 · 19 · 43 · 197 · 1619 · 23623 · 41312893 · 33576220031<11> · 3964070750754299<16> · 6002131190324170621<19> · 145845068958395780724748065492684725203101510981729668709902915244463809992305663111843996539265909649658039555832472016473541647<129>
(8·10195-71)/9 =
(8)1941<195>
= 109 · 8154943934760448521916411824668705402650356778797145769622833843017329255861365953109072375127420998980632008154943934760448521916411824668705402650356778797145769622833843017329255861365953109<193>
(8·10196-71)/9 =
(8)1951<196>
= 146173 · 887091481901<12> · 415328389201262395447146843143<30> · [165051809676489778799232533609995191951694867758348728757315986368857894589713570411597574902801792062426550640905856899068949991115036314093560068479<150>] (Makoto Kamada / GMP-ECM 6.0 B1=4000000, sigma=2672343463 for P30 / Mar 30, 2005) SUBMIT/RESERVE
(8·10197-71)/9 =
(8)1961<197>
= 3 · 13 · 983 · 7001 · 25136039 · [13175661645681548914376314935274179508184869392784799402036014903436213391608790306858088998458119264978359688553984305868100067439273604088480900435006154533494447545628579637623167<182>] SUBMIT/RESERVE
(8·10198-71)/9 =
(8)1971<198>
= 7 · 181 · 246151 · 26571308869211899069<20> · 2181736485124043717540785640249<31> · [49164770484616078662130837495285105615980477313414831637996342826393591225258796960761072524813073625782737476138348702108473214785930571753<140>] (Serge Batalov / GMP-ECM 6.2.1 B1=3000000, sigma=2812342345 for P31 / Oct 21, 2008) SUBMIT/RESERVE
(8·10199-71)/9 =
(8)1981<199>
= 29363 · 176511263 · 1677690929<10> · 8380433902681<13> · [121982117617183034475626674593623835742118415561479638208153501130240086029070159279777295829270671948306210976035503221799307832923250551498916388619627459118019501<165>] SUBMIT/RESERVE
(8·10200-71)/9 =
(8)1991<200>
= 32 · 53 · 1524071 · 1583753 · 1868635421<10> · 41315391427473995104369648795785174509180781443233150499993371617137289719885696198143406756608232437560171292973758482436000867953394293773458432213902566703017878676729073911<176>

Factorizations

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