PRP Records

Probable Primes Top 10000

(295036 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) !!!


Submit your PRPs


See the Top discoverers
See the Latest PRPs
Search by form



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 ?
5751(10^113656+7)/40231/6439001113645Alfred Reich06/2021
5752(2*10^113631+529)/9113631Robert Price01/2018
57532^377408-2798279113612Enzo Doria04/2016
5754(292^46336+1)/(292^256+1)113605Martin Hopf12/2023
575513706^27459+27459^13706113596Norbert Schneider12/2020
57565*10^113586+57113587Robert Price12/2018
5757(2^377242+2794)/2113561Stefano Morozzi02/2021
57582^377222+93679113556Yves Minet02/2011
5760262147#+316847113552Makoto Morimoto02/2016
575927172^15101+15101^27172113552Hans Havermann01/2021
5761(2^377131+2018)/2113528Stefano Morozzi09/2020
57622^377026-458903113497Enzo Doria04/2015
5763(2^377014+2202)/2113493Stefano Morozzi09/2020
576434791^1828+1828^34791113488Hans Havermann02/2021
5765(2^376967+258)/2113479Stefano Morozzi09/2020
5766(29*10^113468-17)/3113469Robert Price09/2019
576735^73477-34^73477113454Robert Price05/2012
5768(14*10^113451-89)/3113452Robert Price05/2020
57692^376790+27113426Lelio R Paula03/2013
57702^376786-112701113424Enzo Doria06/2014
57712^376731+21113408Lelio R Paula03/2013
57729*10^113394-73113395Robert Price01/2021
577329660^6651+6651^29660113387Hans Havermann01/2021
57752^376634+1871245113379Enzo Doria05/2016
5774(4^188318+17)/3113379Robert Price02/2017
5776E(29532)/492842728006750534663978950979381235113367Thomas Ritschel01/2021
57772^376576-344369113361Enzo Doria07/2015
57782^376549-4543113353Yves Minet03/2019
5779(17*2^376526-1)/223113345Lelio R Paula03/2014
5780(27*2^376441-1)/811113319Lelio R Paula03/2014
5781(2^376350+3538)/2113293Stefano Morozzi09/2020
578227265^14272+14272^27265113273Hans Havermann02/2021
578332174^3315+3315^32174113269Hans Havermann02/2021
5784(2*10^113248+73)/3113248Robert Price09/2020
57852^376128-21237113226Enzo Doria06/2013
57865*10^113224-81113225Robert Price01/2019
578710^113220+51409113221Patrick De Geest02/2021
578910^113220-1000001113220Robert Price08/2020
578810^113220-61779113220Patrick De Geest02/2021
5790(2^376102+1578)/2113218Stefano Morozzi09/2020
5791(2^375996+3102)/2113186Stefano Morozzi09/2020
579237258^1091+1091^37258113184Hans Havermann02/2021
5793(94*10^113176+11)/3113178Robert Price04/2020
5794(46*10^113162+521)/9113163Robert Price02/2019
5795(2^375885+3614)/2113153Stefano Morozzi09/2020
5796(2^375873+2006)/2113149Stefano Morozzi09/2020
57973*10^113137+23113138Robert Price03/2022
5798(8*10^113135-269)/9113135Robert Price09/2021
5799(2^375726+694)/2113105Stefano Morozzi09/2020
580026050^21959+21959^26050113100Hans Havermann02/2021
58012^375638-1787171113079Enzo Doria03/2016
5802(2^375563+2178)/2113056Stefano Morozzi09/2020
58032^375537+4847113048Yves Minet02/2011
5804(17^91837+16^91837)/33113000Robert Price08/2013
58055*F(270343)*(F(270343)+1)+1112997Serge Batalov04/2015
58062^375350-3221112992Yves Minet07/2011
5807(13*2^375306+1)/7112979Lelio R Paula03/2014
58082^375305+76757112979Enzo Doria05/2016
58092^375258+1874989112964Enzo Doria07/2016
5810(29^77237-1)/28112950Robert Price04/2012
581126620^17483+17483^26620112939Hans Havermann01/2021
58122^375154+74959112933Enzo Doria04/2016
5813(266*10^112930-17)/3112932Robert Price07/2020
5814(2^375134+778)/2112927Stefano Morozzi09/2020
5815(85*10^112919+293)/9112920Robert Price12/2019
581629412^6899+6899^29412112907Hans Havermann02/2021
5817(191*10^112903-17)/3112905Robert Price11/2021
5818(2^375022+1210)/2112893Stefano Morozzi09/2020
581925992^22039+22039^25992112889Hans Havermann02/2021
58202^374993-2787163112885Enzo Doria11/2015
5821(697*10^112869+23)/9112871Robert Price04/2021
5822(19*10^112851+377)/9112852Alfred Reich11/2022
582330420^5111+5111^30420112813Hans Havermann02/2021
582413699^27268+27268^13699112800Norbert Schneider12/2020
5825123^53970+2112793Lelio R Paula06/2013
582612308*27^78796+23112790Eric Chen07/2023
582728942^7887+7887^28942112785Hans Havermann01/2021
58282^374640-4685112778Yves Minet05/2019
582912^104501-11112776Riley Fisher12/2023
583057290^93+93^57290112775Hans Havermann01/2021
583113608^27277-27277^13608112758Norbert Schneider12/2022
5832(2^374556+682)/2112753Stefano Morozzi09/2020
5833p(22852)#/2+512112745Robert Price05/2017
5834(11*10^112742-131)/3112743Robert Price09/2018
58352^374441-21049112718Enzo Doria06/2013
58364*10^112706-93112707Robert Price07/2020
5837(2^374321+1)/3112682H.&R. Lifchitz12/2000
5838(2^374213+1766)/2112650Stefano Morozzi09/2020
5839(2^374094+2674)/2112614Stefano Morozzi09/2020
5840(13^101089-1)/12112607Paul Bourdelais03/2010
58413^236011-8828112606Enzo Doria05/2014
584231854^3427+3427^31854112602Hans Havermann02/2021
5843(85*10^112530-373)/9112531Robert Price05/2021
5844(2^373748+1090)/2112510Stefano Morozzi09/2020
5845(2^373727+1806)/2112503Stefano Morozzi01/2021
584627618^11821+11821^27618112479Hans Havermann01/2021
584726343^18580+18580^26343112460Hans Havermann01/2021
584839^70666+2112435Lelio R Paula11/2013
5849(134*10^112400+7)/3112402Robert Price02/2020
5850(2^373365+326)/2112394Stefano Morozzi09/2020
5851(2^373350-7)/3112390Lelio R Paula03/2014
58522^373306-1840931112377Enzo Doria06/2015
58538*10^112371-37112372Robert Price03/2022
5854(2^373262+270)/2112363Stefano Morozzi09/2020
58556*10^112359-79112360Robert Price03/2022
585634409^1842+1842^34409112356Hans Havermann02/2021
5857(142*10^112352-7)/9112354Robert Price12/2019
585825580^24633+24633^25580112336Hans Havermann01/2021
58592^373117+1872107112320Enzo Doria05/2016
5860(2^373083+2226)/2112309Stefano Morozzi01/2021
5861(35*10^112308+37)/9112309Robert Price05/2022
586227963^10376+10376^27963112301Hans Havermann01/2021
58632^373040+2792761112297Enzo Doria03/2016
5864EPrime(112280)112280Eric W. Weisstein10/2010
58652^372950+7112270Lelio R Paula03/2013
58662^372945+1872167112268Enzo Doria05/2016
586736274^1243+1243^36274112249Hans Havermann02/2021
5868(55*10^112246+629)/9112247Robert Price01/2022
5869(2^372872+3798)/2112246Stefano Morozzi02/2021
587025513^25060+25060^25513112232Hans Havermann02/2021
5871(53*10^112229-611)/9112230Robert Price02/2022
5872(2^372754+3094)/2112210Stefano Morozzi09/2020
58736*10^112208+43112209Robert Price07/2020
5874(2^372728+3058)/2112203Stefano Morozzi09/2020
587532061^3158+3158^32061112195Hans Havermann02/2021
58762^372695+72113112193Enzo Doria04/2016
58772^372689-2563112191Yves Minet07/2014
58782^372638-1859441112176Enzo Doria03/2016
58793^235074-113056112159Enzo Doria07/2014
5880-E(29242)/489848365125303139750087112140Thomas Ritschel01/2021
5881(2^372514+1822)/2112138Stefano Morozzi02/2021
588229468^6387+6387^29468112135Hans Havermann02/2021
5883(2^372428+3742)/2112112Stefano Morozzi01/2021
588425375^25454-25454^25375112110Norbert Schneider01/2021
5885131^52949-130112108Norbert Schneider02/2019
5886(91*10^112098-1)/9112100Robert Price04/2015
5887(68*10^112087-149)/9112088Robert Price07/2022
58882^372314+212419112078Enzo Doria08/2023
58892^372310-85061112077Paul Bourdelais02/2012
5890(10^112067+53)/9112067Serge Batalov07/2015
5891(2^372237+2082)/2112055Stefano Morozzi09/2020
589275^59760+2112054Lelio R Paula08/2013
5893(2^372200+1710)/2112044Stefano Morozzi09/2020
5894(10^112048+7)/8747/373157112039Alfred Reich06/2021
5895(2^372181+2250)/2112038Stefano Morozzi01/2021
5896(2^372161+2574)/2112032Stefano Morozzi09/2020
58978*10^112018-49112019Robert Price08/2019
58992^372108+74221112016Enzo Doria04/2016
5898(2^372109+2046)/2112016Stefano Morozzi09/2020
59008*10^112011-73112012Robert Price01/2022
5901(184*10^112007-1)/3112009Robert Price02/2020
59025*10^112003+81112004Robert Price03/2019
5903215^48018+48018^215112000Norbert Schneider10/2018
590425549^24148+24148^25549111979Hans Havermann02/2021
59052^371970-459491111975Enzo Doria05/2015
590641^69427-40^69427111971Robert Price07/2012
5907(2^371782+358)/2111918Stefano Morozzi01/2021
590815*25^80056+446111915Eric Chen10/2023
5909(34*10^111902-547)/9111903Robert Price03/2021
5910(10^111902+71)/9111902Serge Batalov07/2015
5911(2^371625+1610)/2111870Stefano Morozzi09/2020
591229080^7027+7027^29080111865Hans Havermann01/2021
591331307^3730+3730^31307111820Hans Havermann02/2021
59142^371440-112865111815Enzo Doria06/2014
59152^371426-459161111811Enzo Doria05/2015
591625768^21771+21771^25768111779Hans Havermann02/2021
591728022^9747+9747^28022111777Hans Havermann02/2021
5918(94*10^111770+11)/3111772Robert Price04/2020
59192^371276-461267111766Enzo Doria07/2015
59206*10^111760+43111761Robert Price07/2020
592198079!4-1024111747Robert Price11/2019
5922(2^371186+3162)/2111738Stefano Morozzi09/2020
592310^(2*55862+1)-4*10^55862-1111725Robert Price07/2023
59242^371098-113261111712Enzo Doria07/2014
5925(7*10^111706-61)/9111706Erik Branger01/2011
59262^371044+1869391111696Enzo Doria05/2016
592726310^17581+17581^26310111688Hans Havermann01/2021
592888^57416+87111645Norbert Schneider11/2015
59292^370829-109693111631Enzo Doria04/2014
593015^94906-2111619Lelio R Paula11/2013
593125835^20904+20904^25835111614Hans Havermann02/2021
5932(2^370726+1198)/2111600Stefano Morozzi09/2020
593327758^10479+10479^27758111597Hans Havermann02/2021
59342^370695-4627111591Yves Minet05/2019
59357*10^111579-87111580Robert Price06/2020
59372^370643-37111575Yves Minet01/2012
5936(2^370655-5)/2439111575Lelio R Paula03/2014
59382^370610-3911111565Yves Minet04/2017
5939(154*10^111549+17)/9111551Robert Price06/2022
594026200^18097+18097^26200111550Hans Havermann01/2021
5941286^45405+45405^286111532Norbert Schneider04/2015
59424*5^159563-9111531Lelio R Paula11/2014
59435*10^111528-21111529Robert Price12/2021
5944(4^185225+23)/3111517Robert Price10/2018
59452^370393-2797093111500Enzo Doria03/2016
5946(21*2^370382-1)/629111495Lelio R Paula03/2014
5947(2^370371+554)/2111493Stefano Morozzi09/2020
59486^143273-5111489Paul Bourdelais01/2021
59492^370292-2791979111469Enzo Doria03/2016
5950(14*10^111443-11)/3111444Robert Price08/2022
59512^370177-461551111435Enzo Doria07/2015
5952(2^370169+1706)/2111432Stefano Morozzi09/2020
5953109^54683-108111413Norbert Schneider02/2017
5954(83*10^111406-173)/9111407Robert Price04/2021
5955(2^370043+1010)/2111394Stefano Morozzi09/2020
595632961^2396+2396^32961111392Hans Havermann10/2020
5957numbpart(10^10+76282)111391Serge Batalov04/2015
5958(19*10^111385+11)/3111386Robert Price07/2023
5959(23*10^111380-29)/3111381Robert Price03/2022
59602^369974+733111374Lelio R Paula05/2013
5961121^53470+120111367Norbert Schneider10/2018
59622^369915-286267111356Enzo Doria07/2015
5963(62*10^111347-629)/9111348Robert Price07/2021
59642^369855-1615111338Lelio R Paula05/2017
59657*10^111325+3111326Robert Price08/2015
596651^65176+2111293Lelio R Paula08/2013
59672^369643-1865767111274Enzo Doria03/2016
59682^369603+885111262Lelio R Paula05/2017
596925555^22564+22564^25555111252Hans Havermann10/2020
5970L(532277)111240Renaud Lifchitz03/2004
5971105^55033-2111233Lelio R Paula10/2017
5972(35*10^111232-737)/9111233Robert Price07/2018
597326970^13307+13307^26970111227Hans Havermann10/2020
597425419^23716+23716^25419111210Hans Havermann10/2020
59759*10^111201-29111202Robert Price09/2019
59762^369392+29835111199Lelio R Paula05/2017
59773^233059+16111198Robert Price03/2020
59782^369354-3413111187Yves Minet12/2016
59792^369296-27111170Lelio R Paula02/2013
59802^369239-109837111153Enzo Doria05/2014
59812^369224-291839111148Enzo Doria07/2015
59822^369216+2798881111146Enzo Doria04/2016
598326842^13817+13817^26842111137Hans Havermann11/2020
5984(5*10^111119-191)/3111120Robert Price05/2021
5985(29*10^111112-23)/3111113Robert Price03/2022
598610^111111+163849111112Patrick De Geest03/2017
598710^111111-312911111111Patrick De Geest03/2017
59882^369092-216923111108Enzo Doria05/2014
59892^369081-55111105Lelio R Paula02/2013
5990(2^369047+3618)/2111094Stefano Morozzi09/2020
599188^57124-87111077Norbert Schneider11/2015
59922^368980+753111075Lelio R Paula05/2013
59932^368946-3623111064Yves Minet03/2017
59942^368929+29835111059Lelio R Paula05/2017
59954^184463-3^184463111058Jean-Louis Charton12/2004
5996111^54298+110111057Norbert Schneider04/2017
5997(4*10^111032-7)/3111033Ray Chandler04/2011
5998(29*10^111020-41)/3111021Tyler Busby03/2024
599935799^1262+1262^35799111015Hans Havermann10/2020
6000(298*10^111004+11)/3111006Robert Price11/2020


Find by discoverer :


Created by  Henri Lifchitz & Renaud Lifchitz : October, 26 2000, last modification: April, 23 2024 10:10 (Time in France)

Go back
Valid XHTML 1.0!    Valid CSS!