PRP Records

Probable Primes Top 10000

(301815 PRPs in the top)


What is a PRP ?

A PRP is a probable prime number, a number that nobody knows how to prove or disprove its primality.
Here are some criterions that can be used to recognize these numbers :

- N does not have any prime factor up to 2^32.
- N cannot be trivially written into a product.
- Take 3 square-free consecutive bases such that (b1/N)=(b2/N)=(b3/N)= -1. N should be such that b1^((N-1)/2)=b2^((N-1)/2)=b3^((N-1)/2)= -1 (mod N).
- Take a prime base such that (b/N)= -1 and b<>b1<>b2<>b3. N should pass the strong test in base b.
- or more (if someone has got an idea) !!!


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1-250   251-500   501-750   751-1000   1001-1250   1251-1500   1501-1750   1751-2000   
2001-2250   2251-2500   2501-2750   2751-3000   3001-3250   3251-3500   3501-3750   3751-4000   
4001-4250   4251-4500   4501-4750   4751-5000   5001-5250   5251-5500   5501-5750   5751-6000   
6001-6250   6251-6500   6501-6750   6751-7000   7001-7250   7251-7500   7501-7750   7751-8000   
8001-8250   8251-8500   8501-8750   8751-9000   9001-9250   9251-9500   9501-9750   9751-10000   


Rank Probable prime Digits (> 50000) Who ? When ?
70012^369224-291839111148Enzo Doria07/2015
70022^369216+2798881111146Enzo Doria04/2016
700326842^13817+13817^26842111137Hans Havermann11/2020
7004(5*10^111119-191)/3111120Robert Price05/2021
7005(29*10^111112-23)/3111113Robert Price03/2022
700610^111111+163849111112Patrick De Geest03/2017
700710^111111-312911111111Patrick De Geest03/2017
70082^369092-216923111108Enzo Doria05/2014
70092^369081-55111105Lelio R Paula02/2013
7010(2^369047+3618)/2111094Stefano Morozzi09/2020
701188^57124-87111077Norbert Schneider11/2015
70122^368980+753111075Lelio R Paula05/2013
70132^368946-3623111064Yves Minet03/2017
70142^368929+29835111059Lelio R Paula05/2017
70154^184463-3^184463111058Jean-Louis Charton12/2004
7016111^54298+110111057Norbert Schneider04/2017
7017(4*10^111032-7)/3111033Ray Chandler04/2011
7018(29*10^111020-41)/3111021Tyler Busby03/2024
701935799^1262+1262^35799111015Hans Havermann10/2020
7020(298*10^111004+11)/3111006Robert Price11/2020
702127648^10349+10349^27648111004Hans Havermann11/2020
702228899^6932+6932^28899110997Hans Havermann11/2020
7023(749^38809+1)/(749^197+1)110990Martin Hopf11/2023
70242^368641-460303110972Enzo Doria06/2015
70252^368619-109087110966Enzo Doria04/2014
7026(74*10^110961+313)/9110962Robert Price06/2019
702725258^24711+24711^25258110956Hans Havermann11/2020
7028(2^368539+1290)/2110941Stefano Morozzi01/2021
70293*2^368489+7110927Lelio R Paula09/2014
7030(14*10^110922+61)/3110923Robert Price12/2018
703197411!4-2110913Robert Price07/2017
7032(301*10^110903+23)/9110905Robert Price06/2021
7033(9179*2^368330-1)/35110881Lelio R Paula05/2015
703425830^19619+19619^25830110880Hans Havermann10/2020
7035(34*10^110882-7)/9/13/29/1019374319110871Makoto Morimoto05/2016
703626022^18191+18191^26022110850Hans Havermann10/2020
7037(2^368211+2250)/2110843Stefano Morozzi01/2021
7038(37*10^110813+251)/9110814Robert Price09/2021
70392^368050-64875110795Lelio R Paula05/2017
70402^368048+25110794Lelio R Paula02/2013
7041(2^368017+2262)/2110784Stefano Morozzi02/2021
704269^60239-2110771Lelio R Paula10/2013
7043(23*2^367952+1)/15717110762Lelio R Paula03/2014
70442^367924-69110757Lelio R Paula02/2013
7045(23*10^110738+61)/3110739Robert Price01/2022
7046(2^367779+3750)/2110713Stefano Morozzi01/2021
70472^367709-109723110692Enzo Doria04/2014
70482^367687+213413110685Enzo Doria09/2023
7049(3*2^367644-1)/107110671Lelio R Paula03/2014
7050(2^367626+3514)/2110667Stefano Morozzi09/2020
7051(1288676*34^72242-455)/33110642Eric Chen03/2023
7052379*10^110616+9110619Jason Yuen01/2025
7053(23*2^367398+1)/57963110595Lelio R Paula03/2014
7054140^51515-139110558Norbert Schneider04/2019
70552^367215+1879223110543Enzo Doria09/2016
705625782^19375+19375^25782110534Hans Havermann10/2020
705726117^17058+17058^26117110526Hans Havermann10/2020
70582^367141+41110521Lelio R Paula02/2013
70592^367126+29835110516Lelio R Paula05/2017
7060(10^110503-1)/9+2*(10^59183-1)/9*10^25660110503Makoto Morimoto09/2020
7061(10^110503-1)/9+2*(10^65511-1)/9*10^22496110503Makoto Morimoto09/2020
7062(10^110503-1)/9+2*10^108327+2*10^2175110503Makoto Morimoto09/2020
7063(10^110503-1)/9+2*10^66251+2*10^44251110503Makoto Morimoto09/2020
7064(10^110503-1)/9+3*(10^28813-1)/9*10^40845110503Makoto Morimoto09/2020
7065(10^110503-1)/9+3*(10^82573-1)/9*10^13965110503Makoto Morimoto09/2020
7066(10^110503-1)/9+4*(10^43305-1)/9*10^33599110503Makoto Morimoto09/2020
7067(10^110503-1)/9+5*10^70327+5*10^40175110503Makoto Morimoto09/2020
7068(10^110503-1)/9+5*10^99423+5*10^11079110503Makoto Morimoto09/2020
7069(10^110503-1)/9+7*(10^23617-1)/9*10^43443110503Makoto Morimoto09/2020
7070(10^110503-1)/9+8*(10^30251-1)/9*10^40126110503Makoto Morimoto09/2020
70713*(10^110503-1)/9+1*10^106036+1*10^4466110503Makoto Morimoto09/2020
70723*(10^110503-1)/9+1*10^58962+1*10^51540110503Makoto Morimoto09/2020
70733*(10^110503-1)/9+1*10^78213+1*10^32289110503Makoto Morimoto09/2020
70743*(10^110503-1)/9+2*10^76898+2*10^33604110503Makoto Morimoto09/2020
70753*(10^110503-1)/9-1*10^100802-1*10^9700110503Makoto Morimoto09/2020
70763*(10^110503-1)/9-1*10^76355-1*10^34147110503Makoto Morimoto09/2020
70773*(10^110503-1)/9-2*10^105704-2*10^4798110503Makoto Morimoto09/2020
70787*(10^110503-1)/9+1*(10^27685-1)/9*10^41409110503Makoto Morimoto09/2020
70797*(10^110503-1)/9+1*(10^91035-1)/9*10^9734110503Makoto Morimoto09/2020
70807*(10^110503-1)/9-1*(10^23717-1)/9*10^43393110503Makoto Morimoto09/2020
70817*(10^110503-1)/9-1*10^57906-1*10^52596110503Makoto Morimoto09/2020
70827*(10^110503-1)/9-1*10^72287-1*10^38215110503Makoto Morimoto09/2020
70837*(10^110503-1)/9-2*(10^53823-1)/9*10^28340110503Makoto Morimoto09/2020
70847*(10^110503-1)/9-2*(10^88659-1)/9*10^10922110503Makoto Morimoto09/2020
70857*(10^110503-1)/9-3*(10^79921-1)/9*10^15291110503Makoto Morimoto09/2020
70867*(10^110503-1)/9-3*10^60024-3*10^50478110503Makoto Morimoto09/2020
70877*(10^110503-1)/9-4*(10^103091-1)/9*10^3706110503Makoto Morimoto09/2020
70887*(10^110503-1)/9-4*10^103658-4*10^6844110503Makoto Morimoto09/2020
70897*(10^110503-1)/9-4*10^78188-4*10^32314110503Makoto Morimoto09/2020
70907*(10^110503-1)/9-5*(10^35035-1)/9*10^37734110503Makoto Morimoto09/2020
70917*(10^110503-1)/9-6*(10^67347-1)/9*10^21578110503Makoto Morimoto09/2020
70927*(10^110503-1)/9-6*10^60391-6*10^50111110503Makoto Morimoto09/2020
7093(10^110503-1)-4*(10^96247-1)/9*10^7128110503Makoto Morimoto09/2020
7094(10^110503-1)-4*10^74037-4*10^36465110503Makoto Morimoto09/2020
7095(10^110503-1)-4*10^77787-4*10^32715110503Makoto Morimoto09/2020
7096(10^110503-1)-4*10^91179-4*10^19323110503Makoto Morimoto09/2020
7097(10^110503-1)-5*(10^99143-1)/9*10^5680110503Makoto Morimoto09/2020
7098(10^110503-1)-7*(10^85075-1)/9*10^12714110503Makoto Morimoto09/2020
7099(10^110503-1)-7*10^100712-7*10^9790110503Makoto Morimoto09/2020
7100(10^110503-1)-7*10^76427-7*10^34075110503Makoto Morimoto09/2020
7101(10^110503-1)-7*10^90451-7*10^20051110503Makoto Morimoto09/2020
7102(10^110503-1)-8*10^106252-8*10^4250110503Makoto Morimoto09/2020
7103(11*10^110496+49)/3110497Robert Price07/2018
710425447^21958+21958^25447110481Hans Havermann11/2020
7105(31*2^366976+1)/7110472Lelio R Paula03/2014
71067*10^110468-23110469Robert Price07/2019
71075*3^231464-2^231464110438Jon Grantham08/2023
71082^366853+5711110434Lelio R Paula05/2017
7109(21181*2^366833+1)/3110432Lelio R Paula07/2014
7110(4^231439)%(3^231439)110425Henri Lifchitz06/2025
71112^366816+315110423Lelio R Paula05/2017
7112(11^2667520)/(10^2667520)110416Henri Lifchitz06/2025
71132^366775-2787037110411Enzo Doria03/2016
7114(112*10^110405-1)/3110407Serge Batalov12/2014
71152^366751+2797553110404Enzo Doria03/2016
711625276^23331+23331^25276110404Hans Havermann10/2020
71172^366748+255110403Lelio R Paula05/2017
71182^366738-2985110400Yves Minet09/2014
7119(23*2^366739+1)/74575110396Lelio R Paula03/2014
7120(2^366722+1314)/2110395Stefano Morozzi02/2021
71212^366716+1871791110393Enzo Doria05/2016
7122(239*23^81066-349)/22110391Eric Chen08/2023
71232^366695+1334025110387Henri Lifchitz10/2024
7124(5^528189)%F(528189)110385Henri Lifchitz06/2025
71252^366649+1871687110373Enzo Doria05/2016
71262^366629-351205110367Enzo Doria06/2015
7127(31*10^110363+257)/9110364Robert Price12/2021
7128(5^183291)%(4^183291)110353Henri Lifchitz06/2025
7129(17*19^86292-215)/18110347Eric Chen01/2023
71312^366558+1874479110345Enzo Doria06/2016
713025132^24581+24581^25132110345Hans Havermann10/2020
7132(2^366539+770)/2110339Stefano Morozzi09/2020
713326368^15285+15285^26368110331Hans Havermann10/2020
7134(23*10^110290+19)/3110291Robert Price07/2019
713518^87853-4409110280Enzo Doria03/2013
713628490^7419+7419^28490110267Hans Havermann11/2020
71372^366218-23110243Lelio R Paula02/2013
7138(21*2^366193-1)/197110235Lelio R Paula03/2014
71392^366178-343991110231Enzo Doria07/2015
714012^102123-11110210Riley Fisher09/2023
7141(725*35^71368+16649)/34110199Eric Chen05/2025
714225777^18798+18798^25777110174Hans Havermann10/2020
71432^365944+1871341110161Enzo Doria05/2016
71442^365838-461267110129Enzo Doria07/2015
714530152^4491+4491^30152110126Hans Havermann11/2020
71462^365802+23359110118Enzo Doria10/2023
714710^110111+464019110112Patrick De Geest05/2021
714810^110111-40001110111Robert Price01/2021
71492^365763-6555110106Lelio R Paula04/2017
7150(2^365689+2^182845+1)/511008311/2006
7151(83^57367-1)/3536509644718110080Paul Vanderveen05/2025
71522^365666-459161110077Enzo Doria05/2015
71533*10^110076-7110077Robert Price08/2015
715413^98785-72110041Lelio R Paula03/2017
7156(25^78707+1)/26110027Robert Price06/2013
7155(7*10^110027-277)/9110027Robert Price02/2022
7157(16*10^110014-73)/3110015Robert Price07/2020
7158(7*10^110006-151)/9110006Robert Price02/2018
71596^141361-7110001Lelio R Paula11/2014
716010^110000+8029681110001Hayden Chesnut11/2024
716110^110000+2044477110001Hayden Chesnut11/2024
716210^110000+76407110001Hayden Chesnut11/2024
716310^110000+167311110001Hayden Chesnut11/2024
716420^84536+81109984Lelio R Paula03/2017
71655*2^365347-9109982Lelio R Paula09/2014
71669*6^141303+7109957Lelio R Paula11/2014
716727635^9522+9522^27635109953Hans Havermann11/2020
716878^58099+77109929Norbert Schneider02/2015
71692*10^109928-7109929Robert Price10/2015
717030580^3933+3933^30580109927Hans Havermann11/2020
717126380^14689+14689^26380109926Hans Havermann11/2020
7172(2^365161+1130)/2109925Stefano Morozzi09/2020
7173(27*2^365137-1)/2021109916Lelio R Paula03/2014
717429^75157-30109910Anonymous09/2024
7175(4441*29^75152-24)/7109905Curtis Bright05/2015
7176(2^365087+7)/6015109899Lelio R Paula01/2014
7177(2^365069+3774)/2109897Stefano Morozzi02/2021
717829652^5083+5083^29652109894Mark Rodenkirch10/2020
7179(2^365049+722)/2109891Stefano Morozzi09/2020
7180(35*10^109888-89)/9109889Robert Price02/2022
718118^87533-11109878Lelio R Paula04/2017
71822^364982-5109871Henri Lifchitz04/2006
71833*10^109861+59109862Robert Price08/2018
71845*10^109860-69109861Robert Price02/2021
71852^364936-1867979109857Enzo Doria04/2016
718627013^11652+11652^27013109846Hans Havermann10/2020
71872^364867-112087109836Enzo Doria06/2014
71884^182415-85061109825Mike Oakes06/2011
7189(2^364809+1034)/2109819Stefano Morozzi09/2020
719024972^24972-8323^8323109814Henri Lifchitz10/2024
7191(53*10^109809-287)/9109810Robert Price02/2022
7192(52*10^109807-133)/9109808Robert Price09/2021
719325708^18675+18675^25708109806Hans Havermann10/2020
7194(17^89227+16^89227)/33109788Robert Price08/2013
71952^364687-187109782Lelio R Paula01/2012
71962^364644+67109769Lelio R Paula01/2012
7197(9787*2^364625-1)/24947109763Lelio R Paula05/2015
7198(2^364616+5)/9109760Lelio R Paula01/2014
7199(55*10^109759+89)/9109760Robert Price03/2019
7200(14*32^72921+4171)/31109757Eric Chen04/2023
720112^101694+73109747Lelio R Paula03/2017
720213^98518-66109744Lelio R Paula03/2017
7203(35^71069+2^71069)/37109734Robert Price01/2025
7204(8*10^109721-269)/9109721Robert Price09/2021
72052^364478-113261109719Enzo Doria07/2014
7206(2^364513+1)/(3*44290516579)109719Gord Palameta08/2018
7207(24737*2^364454+1)/3109716Lelio R Paula07/2014
720827814^8777+8777^27814109681Hans Havermann10/2020
7209(62*10^109673+1)/9109674Serge Batalov11/2010
72103^229824+340109654Lelio R Paula03/2017
7211(16623*33^72206-8095)/16109649Eric Chen05/2023
7212(2*10^109645-71)/3109645Robert Price12/2017
7213V(786978)109644Serge Batalov07/2024
72142^364169-112813109626Enzo Doria06/2014
721528822^6359+6359^28822109622Hans Havermann11/2020
721610^109615+21109616Lelio R Paula03/2017
721710^109615-456267109615Patrick De Geest03/2017
7218522^40331-40331^522109607Norman Luhn09/2024
72192^364094-113109604Lelio R Paula01/2012
722025251^21898+21898^25251109600Hans Havermann11/2020
7221(4^182026+11)/3109591Robert Price02/2017
72222^364041-6883109588Lelio R Paula09/2011
722312^101545+11109586Lelio R Paula03/2017
722426536^13475+13475^26536109582Hans Havermann11/2020
72252^363842-2787101109528Enzo Doria03/2016
7226(2^363812+3570)/2109519Stefano Morozzi09/2020
7227(996^36527+1)/997109515Jinyuan Wang12/2024
7228(22699*2^363782+1)/763109511Lelio R Paula07/2014
72292^363769+5711109506Lelio R Paula04/2017
7230(31*2^363748+1)/49109499Lelio R Paula03/2014
723126^77372+25109480Anonymous09/2024
7232(2^363670+100280245065)109476Paul Bourdelais05/2022
7233p(22245)#/2-8109462Robert Price01/2017
72342^363556+55109442Lelio R Paula01/2012
7235(509*10^109414+31)/9109416Robert Price08/2022
7236(2^363437+1682)/2109406Stefano Morozzi09/2020
7237(55459*2^363411+1)/81109401Lelio R Paula07/2014
72382^363406+1871569109397Enzo Doria05/2016
7239(129^51829-1)/128109388Anonymous06/2024
7240(2^363370+1338)/2109385Stefano Morozzi02/2021
7241(2^363349+7)/9109378Lelio R Paula01/2014
7242(13869^26569-1)/(13869^163-1)109375Ryan Propper11/2023
72433^229236+100109374Lelio R Paula03/2017
7244(2^363315+3258)/2109369Stefano Morozzi02/2021
72452^363268-58695109355Lelio R Paula04/2017
72462^363191-112321109332Enzo Doria06/2014
724726231^14718+14718^26231109327Hans Havermann10/2020
724825461^19672+19672^25461109326Hans Havermann10/2020
72494*10^109316-63109317Robert Price10/2018
72502^363120+3109311Donovan Johnson04/2006


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Created by  Henri Lifchitz & Renaud Lifchitz : October, 26 2000, last modification: August, 18 2025 08:13 (Time in France)

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