PRP Records

Probable Primes Top 10000

(295107 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 ?
5001(10^122857+167)/3122857Robert Price05/2021
500233331^4852+4852^33331122856Hans Havermann03/2021
5003(11*2^408100-1)/35122850Lelio R Paula04/2014
5004(19*10^122836-43)/3122837Robert Price05/2019
500528420^20969+20969^28420122820Hans Havermann03/2021
5006(16*10^122818+179)/3122819Robert Price11/2021
500729865^12934+12934^29865122797Hans Havermann03/2021
5008(2^407821-lucasV(1,2,407821)+1)/2122767Mike Oakes11/2016
5009(32*10^122733-77)/9122734Robert Price06/2018
5010(21*2^407604-1)/215122701Lelio R Paula04/2014
5012(22*10^122681+161)/3122682Robert Price05/2019
501129513^14350+14350^29513122682Hans Havermann03/2021
5013(21*2^407433-1)/13122650Lelio R Paula04/2014
5014(26*10^122625-131)/3122626Robert Price10/2019
5015(643*33^80753+3709)/32122626Eric Chen12/2023
501627925^24562+24562^27925122599Hans Havermann03/2021
5017(73*10^122592-1)/9122593Robert Price01/2015
5018(5*10^122592+91)/3122593Robert Price04/2018
501936751^2166+2166^36751122589Hans Havermann03/2021
5020(85*10^122585-1)/3122587Robert Price02/2020
502129368^14931+14931^29368122585Hans Havermann03/2021
50222^407179-112075122574Enzo Doria06/2014
5023(21*2^407131+1)/207517523122552Lelio R Paula04/2014
5024(66^67349+1)/67122543Paul Bourdelais09/2017
5025(646*10^122533+11)/9122535Robert Price10/2021
50262^407008-1867919122522Enzo Doria04/2016
502711^117642-300122512Enzo Doria10/2012
5028(F(3*97700+1)^2+L(3*97700+1)^2)/2122509Henri Lifchitz10/2017
50292^406949+72197122504Enzo Doria04/2016
5030(19*10^122501+149)/3122502Robert Price05/2019
503128632^18977+18977^28632122495Hans Havermann03/2021
503231815^7076+7076^31815122481Hans Havermann03/2021
50332^406826-65122467Lelio R Paula11/2013
50342^406821-2797363122466Enzo Doria04/2016
5035(7*10^122456-331)/9122456Robert Price03/2022
50362^406758-17122447Lelio R Paula11/2013
503729941^12282+12282^29941122437Hans Havermann03/2021
5038(30^82883-1)/29122427Robert Price12/2011
503927496^27577+27577^27496122422Norbert Schneider12/2020
504028732^18215+18215^28732122411Hans Havermann03/2021
5041(2^406583-1)/813167122388Jens K. Andersen02/2009
50424*10^122377+19122378Robert Price10/2018
504328227^21634+21634^28227122368Hans Havermann03/2021
5044Phi(246362,10)122365Makoto Kamada09/2019
50453*10^122345-97122346Robert Price07/2018
504697^61575-2122336Lelio R Paula12/2014
50472*10^122319+47122320Robert Price12/2021
5048208^52765+52765^208122313Norbert Schneider11/2020
50502^406298+2799109122308Enzo Doria04/2016
50492^406296+213691122308Enzo Doria09/2023
50517*10^122294+57122295Robert Price06/2019
5052(27*2^406241-1)/10277122289Lelio R Paula04/2014
50532^406229-1849993122288Enzo Doria08/2015
50543*10^122274+7122275Robert Price07/2015
50552^406117+1876577122254Enzo Doria07/2016
505629308^14835+14835^29308122253Hans Havermann03/2021
505728119^22268+22268^28119122253Hans Havermann03/2021
505832167^6312+6312^32167122240Hans Havermann03/2021
50593^256199-2^256199122238Mike Oakes06/2005
506027678^26053+26053^27678122223Hans Havermann03/2021
50612^405992-78557122216Jorge Menendez03/2018
5062(8*10^122203+43)/3122204Robert Price06/2018
5063(58*10^122170+329)/9122171Robert Price05/2019
50642^405774+179149122151Enzo Doria06/2016
50652^405693+20417122126Enzo Doria07/2023
5066(218*10^122109+7)/9122111Robert Price06/2022
506729189^15246+15246^29189122103Hans Havermann03/2021
506934*10^122082-9122084Robert Price06/2020
506833442^4473+4473^33442122084Hans Havermann03/2021
50705*10^122082+41122083Robert Price03/2019
507131849^6808+6808^31849122078Hans Havermann03/2021
50732^405514-3311122072Yves Minet12/2014
50742^405514-115511122072Enzo Doria07/2015
507223*10^122070-7122072Robert Price02/2020
50752^405422-113261122045Enzo Doria07/2014
50762^405173+71237121970Enzo Doria04/2016
5077fibonacci(583574)+2121960Jon Grantham08/2023
5078(154*10^121953+17)/9121955Robert Price06/2022
5079(34*10^121924+191)/9121925Robert Price08/2021
5080(2^405016+1)/257121920Lelio R Paula04/2014
508128557^18590+18590^28557121918Hans Havermann03/2021
508228641^18002+18002^28641121877Hans Havermann03/2021
50832^404858+71329121875Enzo Doria04/2016
50842^404813-114703121861Enzo Doria04/2015
50852^404764+77791121847Enzo Doria05/2016
508628830^16841+16841^28830121847Hans Havermann03/2021
5087(4*10^121825+89)/3121826Robert Price08/2021
5088317^48694+48694^317121787Norbert Schneider08/2015
50892^404536-115259121778Enzo Doria06/2015
50902^404501-631121767Yves Minet07/2012
50915*10^121764-69121765Robert Price02/2021
509228236^20485+20485^28236121738Hans Havermann02/2021
5093(382*10^121694-31)/9121696Robert Price06/2022
509463^67620+2121672Lelio R Paula08/2015
5095(25*34^79445-28062367)/33121669Eric Chen08/2023
5096(13*33^80110-121453)/32121648Eric Chen12/2023
5097(16*10^121633+167)/3121634Robert Price06/2019
509829955^11494+11494^29955121632Hans Havermann02/2021
5099(17*10^121621+1)/9121622Serge Batalov05/2010
510031088^8163+8163^31088121612Hans Havermann02/2021
5101(15*2^403912+1)/271121589Lelio R Paula05/2014
5102(211^52301-1)/210121560Anonymous04/2024
5103(10^121543-79)/3121543Robert Price01/2018
51042^403676+76831121519Enzo Doria05/2016
5105(7*10^121487+143)/3121488Robert Price03/2018
510627965^22086+22086^27965121484Hans Havermann02/2021
5107(893*10^121470+7)/9121472Robert Price06/2021
5108(206*10^121462-11)/3121464Robert Price02/2022
510926282^27481-27481^26282121457Frank Doornink03/2024
5110(77*10^121455+67)/9121456Robert Price12/2021
51112^403363-113635121425Enzo Doria08/2014
511225531^27552-27552^25531121424Frank Doornink02/2024
5113(17*10^121418-113)/3121419Robert Price06/2021
51142^403336-1861469121417Enzo Doria03/2016
511527929^22186+22186^27929121382Hans Havermann02/2021
5116p(24442)#/2-64121381Robert Price04/2017
511711^116555-720121380Enzo Doria11/2012
51182^403100-461267121346Enzo Doria07/2015
51192^403093-112213121344Enzo Doria06/2014
512029404^13385+13385^29404121340Hans Havermann02/2021
512128106^20745+20745^28106121332Hans Havermann02/2021
5122(316^48539+1)/317121330Eric Chen10/2017
5123(23*10^121320-71)/3121321Robert Price07/2020
51242^403004+1866361121317Enzo Doria03/2016
51252^402953+89121301Lelio R Paula10/2013
51262^402944-2788319121299Enzo Doria03/2016
5127(44*10^121297-719)/9121298Robert Price12/2018
5128(27*2^402865+1)/5121276Lelio R Paula04/2014
51292^402828-113183121264Enzo Doria07/2014
5130(17*10^121242+1)/9121243Serge Batalov05/2010
5131(15*2^402757+1)/101121242Lelio R Paula05/2014
51332^402715+1874223121230Enzo Doria06/2016
5132(35*10^121229-593)/9121230Robert Price07/2018
5134(91^61879+1)/92121222Paul Bourdelais09/2017
513528719^16568+16568^28719121174Hans Havermann02/2021
51367*10^121144+9121145Robert Price09/2015
513727490^25467+25467^27490121121Hans Havermann02/2021
513834575^3182+3182^34575121106Hans Havermann02/2021
51395*10^121100-37121101Robert Price11/2021
514025592^27467-27467^25592121078Frank Doornink02/2024
514129954^10935+10935^29954120979Hans Havermann02/2021
514233585^3992+3992^33585120946Hans Havermann02/2021
514340296^1003+1003^40296120941Hans Havermann02/2021
51442^401725-113251120932Enzo Doria07/2014
5145(15*2^401677-1)/19120917Lelio R Paula05/2014
51462^401652+73711120910Enzo Doria04/2016
5147(2^401632+3)/79120902Lelio R Paula04/2014
514840450^973+973^40450120870Hans Havermann01/2021
5149(8*10^120851-11)/3120852Robert Price07/2023
515010^120841+88417120842Patrick De Geest04/2020
515110^120841-123456789120841Robert Price02/2020
515210^120841-176853120841Patrick De Geest04/2020
51532^401406-2791331120836Enzo Doria03/2016
5154(28^83497+1)/29120832Robert Price07/2013
5155(22*10^120828+161)/3120829Robert Price05/2019
51562^401369+1867367120825Enzo Doria03/2016
5157(5*10^120821+43)/3120822Robert Price12/2021
515826990^27263-27263^26990120808Frank Doornink03/2024
5159(10^120782+29)/3120782Serge Batalov12/2014
51602^401215-1657120778Yves Minet07/2014
51612^401159+53120761Lelio R Paula10/2013
516227782^22179+22179^27782120739Hans Havermann01/2021
516332974^4585+4585^32974120730Hans Havermann02/2021
51642^401031-113047120723Enzo Doria07/2014
516530598^8813+8813^30598120713Hans Havermann02/2021
5166(71*10^120703-287)/9120704Robert Price09/2019
516725671^27370-27370^25671120687Frank Doornink02/2024
5168(29*2^400909-1)/303120685Lelio R Paula04/2014
516934793^2940+2940^34793120675Hans Havermann02/2021
517026028^27329-27329^26028120670Frank Doornink03/2024
5171(2^400846+538)/2120667Stefano Morozzi09/2020
5172(166*10^120654+11)/3120656Robert Price03/2021
517334066^3481+3481^34066120652Hans Havermann02/2021
51748*10^120637-27120638Robert Price10/2021
5175(2^400709+3546)/2120626Stefano Morozzi09/2020
5176(2^400700+3126)/2120623Stefano Morozzi09/2020
5177(2^400693+2634)/2120621Stefano Morozzi09/2020
51789*10^120617-61120618Robert Price06/2021
5179(29*10^120590-71)/3120591Robert Price07/2021
51802^400571-15120584Lelio R Paula10/2013
5181(10^120574+359)/9120574Serge Batalov12/2014
5182(8*10^120552-17)/9120552Serge Batalov11/2022
518327431^24810+24810^27431120550Hans Havermann02/2021
51842^400424-216413120540Enzo Doria04/2013
518529090^13911+13911^29090120531Hans Havermann02/2021
5186(2^400346+1722)/2120516Stefano Morozzi09/2020
518727899^20868+20868^27899120510Hans Havermann02/2021
518833740^3729+3729^33740120506Hans Havermann02/2021
5189(17*2^400200-1)/587120471Lelio R Paula05/2014
51902^400166+1874899120462Enzo Doria06/2016
5191(2^400165+1602)/2120462Stefano Morozzi09/2020
519237078^1771+1771^37078120438Hans Havermann02/2021
5193(2^400084+1638)/2120437Stefano Morozzi09/2020
5194(3*2^400045-1)/865120424Lelio R Paula04/2014
51952^399999+54173120412Norman Luhn08/2023
5196(2^399974+2790)/2120404Stefano Morozzi02/2021
51972^399966+73759120402Enzo Doria04/2016
5198(2^399961+2306)/2120400Stefano Morozzi02/2021
5199(112*10^120395-1)/3120397Serge Batalov12/2014
52012^399918-95120388Lelio R Paula04/2013
52002^399918+214009120388Enzo Doria10/2023
5202(28*10^120381-67)/3120382Robert Price10/2020
5203(49*10^120380-139)/9120381Robert Price03/2019
5204(2^399874+2194)/2120374Stefano Morozzi09/2020
52052^399792-1849259120350Enzo Doria08/2015
52069*10^120342-7120343Robert Price09/2015
5207(2^399751+786)/2120337Stefano Morozzi09/2020
5208(331*10^120332-7)/9120334Robert Price04/2022
5209(13*10^120306-37)/3120307Robert Price01/2019
5210(23*10^120299+37)/3120300Robert Price02/2022
521125935^27254-27254^25935120297Frank Doornink03/2024
5212(2^399604+3070)/2120293Stefano Morozzi09/2020
5213(2^399549+1062)/2120276Stefano Morozzi09/2020
52142^399526-1861721120270Enzo Doria11/2015
5215(10^(2*60126+1)+36*10^60126-1)/9120253Robert Price10/2015
521632016^5687+5687^32016120217Hans Havermann01/2021
5217(205*10^120212-1)/3120214Robert Price11/2021
52182^399322-2798111120208Enzo Doria04/2016
521930438^8867+8867^30438120163Hans Havermann02/2021
52203^251841-5*2^251841120159Jon Grantham08/2023
522272^64693-71^64693120157Robert Price03/2014
5221(17*10^120156-161)/9120157Robert Price02/2021
52232^399111-28489120145Enzo Doria08/2015
5224(2^399014+1318)/2120115Stefano Morozzi02/2021
522530254^9333+9333^30254120110Hans Havermann02/2021
522630882^7745+7745^30882120101Hans Havermann02/2021
52282^398877+105120074Donovan Johnson01/2006
5227(101*10^120072-87)/7120074Hans Havermann02/2015
5229(88^61751+1)/89120072Paul Bourdelais09/2017
52302^398710+57120024Lelio R Paula04/2013
5231(2^398698+1138)/2120020Stefano Morozzi09/2020
52322^398691-115057120018Enzo Doria06/2015
5233L(574219)120005Renaud Lifchitz03/2004
52342^398571+60413119982Yves Minet03/2011
523528623^15538+15538^28623119971Hans Havermann02/2021
5236p(24179)#/2-64119949Robert Price04/2017
52372^398448+1872001119945Enzo Doria05/2016
5238(10^119946*19-91)/6093119944Alfred Reich10/2023
5239(19*10^119946-91)/9/677119944Alfred Reich11/2023
5240(191*10^119941-17)/3119943Robert Price11/2021
5241634^42803+42803^634119938Norbert Schneider07/2019
524231083^7220+7220^31083119935Hans Havermann01/2021
5243(68*10^119931-11)/3119933Robert Price01/2020
52448*10^119930-3119931Ray Chandler04/2011
5245(2^398398+774)/2119930Stefano Morozzi09/2020
5246(10^119880+179)/9119880Serge Batalov12/2014
5247(9*2^398145+1)/73119853Lelio R Paula04/2014
5248(10^119836+77)/3119836Robert Price01/2018
524926681^27074-27074^26681119835Frank Doornink03/2024
525028179^17870+17870^28179119821Hans Havermann02/2021


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Created by  Henri Lifchitz & Renaud Lifchitz : October, 26 2000, last modification: May, 05 2024 11:19 (Time in France)

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