PRP Records

Probable Primes Top 10000

(301157 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 ?
5751(49*10^120380-139)/9120381Robert Price03/2019
5752(2^399874+2194)/2120374Stefano Morozzi09/2020
57532^399792-1849259120350Enzo Doria08/2015
57549*10^120342-7120343Robert Price09/2015
5755(2^399751+786)/2120337Stefano Morozzi09/2020
5756(331*10^120332-7)/9120334Robert Price04/2022
5757(13*10^120306-37)/3120307Robert Price01/2019
5758(23*10^120299+37)/3120300Robert Price02/2022
575925935^27254-27254^25935120297Frank Doornink03/2024
5760(2^399604+3070)/2120293Stefano Morozzi09/2020
5761(2^399549+1062)/2120276Stefano Morozzi09/2020
57622^399526-1861721120270Enzo Doria11/2015
5763(10^(2*60126+1)+36*10^60126-1)/9120253Robert Price10/2015
576432016^5687+5687^32016120217Hans Havermann01/2021
5765(205*10^120212-1)/3120214Robert Price11/2021
57662^399322-2798111120208Enzo Doria04/2016
576730438^8867+8867^30438120163Hans Havermann02/2021
57683^251841-5*2^251841120159Jon Grantham08/2023
577072^64693-71^64693120157Robert Price03/2014
5769(17*10^120156-161)/9120157Robert Price02/2021
57712^399111-28489120145Enzo Doria08/2015
5772(2^399014+1318)/2120115Stefano Morozzi02/2021
577330254^9333+9333^30254120110Hans Havermann02/2021
57742^398972+6561120103Henri Lifchitz10/2024
577530882^7745+7745^30882120101Hans Havermann02/2021
57772^398877+105120074Donovan Johnson01/2006
5776(101*10^120072-87)/7120074Hans Havermann02/2015
5778(88^61751+1)/89120072Paul Bourdelais09/2017
5779U(686581)/4280145953120067Serge Batalov07/2024
57802^398710+57120024Lelio R Paula04/2013
5781(2^398698+1138)/2120020Stefano Morozzi09/2020
57822^398691-115057120018Enzo Doria06/2015
5783L(574219)120005Renaud Lifchitz03/2004
57842^398571+60413119982Yves Minet03/2011
578528623^15538+15538^28623119971Hans Havermann02/2021
5786p(24179)#/2-64119949Robert Price04/2017
57872^398448+1872001119945Enzo Doria05/2016
5788(10^119946*19-91)/6093119944Alfred Reich10/2023
5789(19*10^119946-91)/9/677119944Alfred Reich11/2023
5790(191*10^119941-17)/3119943Robert Price11/2021
5791634^42803+42803^634119938Norbert Schneider07/2019
579231083^7220+7220^31083119935Hans Havermann01/2021
5793(68*10^119931-11)/3119933Robert Price01/2020
57948*10^119930-3119931Ray Chandler04/2011
5795(2^398398+774)/2119930Stefano Morozzi09/2020
5796(10^119880+179)/9119880Serge Batalov12/2014
5797(9*2^398145+1)/73119853Lelio R Paula04/2014
5798(10^119836+77)/3119836Robert Price01/2018
579926681^27074-27074^26681119835Frank Doornink03/2024
580028179^17870+17870^28179119821Hans Havermann02/2021
58012^398029+1872527119819Enzo Doria05/2016
580233142^4119+4119^33142119802Hans Havermann01/2021
58032^397897-113541119779Enzo Doria08/2014
580428636^15171+15171^28636119728Hans Havermann02/2021
580587^61730-61730^87119727Norman Luhn09/2024
5806(10556^29929-1)/(10556^173-1)119724Ryan Propper11/2023
5807(2^397696+1042)/2119719Stefano Morozzi09/2020
5808(19*10^119716+101)/3119717Robert Price09/2019
580929563^11208+11208^29563119717Hans Havermann02/2021
5810458^44991-44991^458119715Norman Luhn09/2024
58112^397655-933075119707Paul Bourdelais06/2021
5812(21*2^397661-1)/27593119705Lelio R Paula04/2014
581328243^17308+17308^28243119701Hans Havermann02/2021
581477*10^119688+3119690Robert Price06/2020
5815586*25^85601+3717119668Eric Chen10/2023
5816(2^397504+1698)/2119661Stefano Morozzi09/2020
5817(58^67853-1)/57119653Paul Bourdelais09/2017
58182^397426+73849119638Enzo Doria04/2016
58198*10^119509+29119510Robert Price11/2021
58202^396933-112723119489Enzo Doria06/2014
582111^114738-150119488Enzo Doria10/2012
5822(4*10^119474+149)/9119474Robert Price04/2018
582326964^26964-13^13119472Henri Lifchitz08/2024
58242^396790-21119446Lelio R Paula04/2013
582532061^5300+5300^32061119405Hans Havermann01/2021
5826(2^396633-7)/5119398Lelio R Paula04/2014
582727382^22913+22913^27382119388Hans Havermann03/2021
5828(2^396577+2522)/2119382Stefano Morozzi09/2020
5829(2^396492+2230)/2119356Stefano Morozzi01/2021
5830(47*10^119354+259)/9119355Robert Price03/2022
5832105^59050+104119352Norbert Schneider11/2016
5831126^56824-125119352Norbert Schneider12/2018
58332^396469+111546435119350Paul Bourdelais10/2021
5834139^55690-138119345Norbert Schneider04/2019
5835790^41179+41179^790119322Norbert Schneider04/2019
58362^396374+73729119321Enzo Doria04/2016
583788*10^119295+3119297Robert Price05/2020
58382^396258-459491119286Enzo Doria05/2015
5839(2^396248+3126)/2119283Stefano Morozzi09/2020
58402^396128-396128-1119247Karsten Bonath06/2018
5841(893*10^119228+7)/9119230Robert Price06/2021
5842(31*10^119229+257)/9119230Robert Price12/2021
5843(28*10^119206-67)/3119207Robert Price10/2020
5844(2^395986+5)/76881119199Lelio R Paula04/2014
584511^114458+6119196Paul Bourdelais02/2021
5846(23*2^395942-1)/91119190Lelio R Paula04/2014
5847(2^395902+202)/2119179Stefano Morozzi09/2020
5848(2^395825+582)/2119155Stefano Morozzi09/2020
5849(2^395733+1130)/2119128Stefano Morozzi09/2020
585029548^10725+10725^29548119091Hans Havermann02/2021
5851(11*2^395548+1)/3119073Lelio R Paula04/2014
5852(30^80599+1)/31119054Robert Price07/2013
5853(232*10^119047+17)/3119049Robert Price04/2021
5854(43*10^119024-403)/9119025Robert Price01/2019
5855(4*10^119021+47)/3119022Robert Price01/2022
5856fibonacci(569433)+3119005Jon Grantham08/2023
585726603^26888-26888^26603118978Norbert Schneider07/2021
5858912^40193-40193^912118972Norman Luhn09/2024
5859681^41992-41992^681118970Norman Luhn09/2024
58606*10^118964+43118965Robert Price07/2020
5861(8*10^118960+49)/3118961Robert Price05/2020
586231253^6402+6402^31253118959Hans Havermann02/2021
5863(194*10^118925-17)/3118927Robert Price09/2020
58642^395062-109121118926Enzo Doria04/2014
58652^395055-4627118924Yves Minet05/2019
5866(2^395054+702)/2118923Stefano Morozzi09/2020
58672^395018-224141118913Harrison Mesh06/2022
5868(2^395011+2526)/2118910Stefano Morozzi09/2020
5869(2^394918+78557)/3118882Lelio R Paula01/2015
587025771^26948-26948^25771118872Frank Doornink02/2024
5871374^46201-46201^374118870Norman Luhn09/2024
5872(2^394858+1018)/2118864Stefano Morozzi09/2020
5873(77*10^118862-149)/9118863Robert Price03/2022
5874(16*10^118852+77)/3118853Robert Price03/2019
5875fibonacci(568658)-2118843Jon Grantham08/2023
5876(2^394739+3)/1883118826Lelio R Paula04/2014
587710^118772+163599118773Patrick De Geest02/2021
587910^118772-40000000001118772Robert Price09/2020
587810^118772-207603118772Patrick De Geest02/2021
588026842^26577+26577^26842118763Hans Havermann02/2021
5881(2^394513+2034)/2118760Stefano Morozzi09/2020
5882(2^394473+2774)/2118748Stefano Morozzi02/2021
588327949^17710+17710^27949118734Hans Havermann02/2021
58842^394266+71389118686Enzo Doria04/2016
5885(10^118681-3^118681)/7118681Jon Grantham08/2023
58862^394215-51261118671Tony Prest / Never Odd Or Even04/2018
5887(2^394215-48793)/5/5118670Tony Prest / Never Odd Or Even04/2018
5888(2^394215-17063)/3/3/5118669Tony Prest / Never Odd Or Even04/2018
5889(2^394215-24393)/5/5/5/5/5118668Tony Prest / Never Odd Or Even04/2018
5890(2^394215-35885)/3/71/173118666Tony Prest / Never Odd Or Even04/2018
5891(2^394215-47925)/353/2269118665Tony Prest / Never Odd Or Even04/2018
589229201^11568+11568^29201118652Hans Havermann02/2021
5893(2^394215-62819)/3/3/3/3/3/3/3/7/21737/1082153/1953673118650Tony Prest / Never Odd Or Even04/2018
5894(2^394131+2214)/2118645Stefano Morozzi09/2020
5895(17*10^118635+13)/3118636Robert Price01/2019
58965^169727+2118635Lelio R Paula08/2013
58972^394034-3118617M. Frind & P. Underwood09/2002
5898(7*10^118607+179)/3118608Robert Price09/2018
58993^248572-6242118599Enzo Doria05/2014
5900(3*2^393964-1)/181118594Lelio R Paula04/2014
5901(49*10^118576-319)/9118577Robert Price10/2021
59027^140303-6118570Robert Price11/2014
5903(2^393864+2686)/2118565Stefano Morozzi09/2020
5904(2^393862+3150)/2118564Stefano Morozzi09/2020
5905(2^393849+3762)/2118561Stefano Morozzi01/2021
5906(529*10^118554-7)/9118556Robert Price08/2021
590726712^26777-26777^26712118534Norbert Schneider07/2021
5908(2^393661+2666)/2118504Stefano Morozzi09/2020
5909(2^393650+1614)/2118501Stefano Morozzi09/2020
591027655^19264+19264^27655118495Hans Havermann02/2021
591110^118485+469413118486Patrick De Geest05/2021
591210^118485-50001118485Robert Price08/2020
5913(2^393528+1030)/2118464Stefano Morozzi09/2020
59142^393427+75683118434Enzo Doria04/2016
59152^393376-114749118418Enzo Doria04/2015
5916(65*10^118417+493)/9118418Robert Price08/2021
591730960^6671+6671^30960118397Hans Havermann02/2021
5918(2^393234+2010)/2118375Stefano Morozzi09/2020
5919(2^393205+3030)/2118367Stefano Morozzi09/2020
5920(2^393191+2174)/2118362Stefano Morozzi09/2020
59212^393180+73118359Lelio R Paula04/2013
59223*2^393125+5118343Jon Grantham07/2023
592327546^19771+19771^27546118339Hans Havermann02/2021
5924822^40595-40595^822118330Norman Luhn09/2024
5925p(23881)#/2+256118328Robert Price05/2017
5926(10^118324+359)/9118324Serge Batalov12/2014
5927(2^393048+570)/2118319Stefano Morozzi09/2020
5928p(23879)#/2+64118317Robert Price03/2017
59292^393033+20147118315Enzo Doria08/2023
59308*10^118308+59118309Robert Price11/2021
59319*10^118282+29118283Robert Price03/2022
5932(238*10^118265-1)/3118267Robert Price04/2020
5934(53*10^118216+1)/9118217Serge Batalov11/2010
5933(2^392707+1710)/2118217Stefano Morozzi09/2020
5935(7*2^392697+1)/15118214Renaud Lifchitz03/2011
5936(157^53819-1)/156118179Alexander Zhirkov06/2016
5937(2^392567+2750)/2118175Stefano Morozzi01/2021
593855*10^118172+3118174Robert Price07/2022
5939(19*2^392551+1)/3118171Lelio R Paula04/2014
594027185^22222+22222^27185118168Hans Havermann01/2021
59412^392516-29219118160Enzo Doria07/2015
594266*10^118155+7118157Robert Price07/2020
5943Phi(177231,10)118152Maksym Voznyy09/2015
59442^392413-112123118129Enzo Doria06/2014
594527491^19798+19798^27491118119Hans Havermann02/2021
5946(49*10^118109-319)/9118110Robert Price10/2021
5947(2^392342+5)/27118106Lelio R Paula04/2014
5948(2^392333+1782)/2118104Stefano Morozzi01/2021
59492^392300-1841429118095Enzo Doria06/2015
59503*2^392260-5118083Jon Grantham07/2023
59512^392220+75241118070Enzo Doria04/2016
595227836^17409+17409^27836118047Hans Havermann02/2021
595310^118009+664447118010Patrick De Geest07/2018
595410^118009-20001118009Robert Price01/2018
5955(14*10^117991+61)/3117992Robert Price12/2018
59562^391933+5897117984Yves Minet02/2011
59572^391912-1849259117978Enzo Doria08/2015
5958(2*34^77029+1043)/11117968Eric Chen08/2023
59595*2^391836-3117956Jon Grantham07/2023
596028357^14440+14440^28357117953Hans Havermann02/2021
5961(2^391812+5)/14181117944Lelio R Paula04/2014
596285^61124-61124^85117934Norman Luhn09/2024
5963(7*10^117930-79)/9117930Robert Price01/2021
596427531^19168+19168^27531117904Hans Havermann02/2021
5965(46*10^117902+683)/9117903Robert Price03/2019
596626349^26668-26668^26349117893Frank Doornink03/2024
596727670^18189+18189^27670117869Hans Havermann02/2021
5968(7*2^391521+1)/285117858Lelio R Paula04/2014
5969(56*10^117856+583)/9117857Robert Price08/2021
597032169^4606+4606^32169117846Hans Havermann02/2021
5971(71*10^117803-143)/9117804Robert Price10/2021
59722^391324+90901117801Yves Minet02/2011
59732^391301-1859923117794Enzo Doria03/2016
59742^391261-4131117782Yves Minet02/2018
5975(2^391211+554)/2117766Stefano Morozzi09/2020
5976816^40445-40445^816117764Norman Luhn09/2024
597738434^1157+1157^38434117737Hans Havermann01/2021
5978(2^391115-7)/11791117734Lelio R Paula04/2014
5979(85*10^117719+473)/9117720Robert Price01/2020
5980(2^391049+582)/2117718Stefano Morozzi09/2020
5981(21*23^86445-197)/22117715Eric Chen08/2023
598231083^6122+6122^31083117709Hans Havermann02/2021
59832^390960+1880881117691Enzo Doria11/2016
5984(71*10^117685+91)/9117686Robert Price04/2022
59862^390897-1860553117672Enzo Doria11/2015
5985(61*10^117671+47)/9117672Robert Price07/2022
59872^390889-115003117670Enzo Doria06/2015
598812^109010+35117642Riley Fisher08/2023
59892^390779-30337117637Paul Bourdelais02/2012
5990(2^390735+378)/2117623Stefano Morozzi02/2021
599111^112916-780117590Enzo Doria12/2012
599227641^17916+17916^27641117564Hans Havermann02/2021
599327906^16321+16321^27906117561Hans Havermann02/2021
599427294^20275+20275^27294117555Hans Havermann02/2021
5995(2^390473+1002)/2117544Stefano Morozzi09/2020
599635912^1875+1875^35912117541Hans Havermann02/2021
5997(16^97613-5^97613)/11117537Robert Price07/2013
5998(2^390438+1774)/2117534Stefano Morozzi01/2021
5999(2^390418+1722)/2117528Stefano Morozzi09/2020
6000(2^390403+654)/2117523Stefano Morozzi09/2020


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Created by  Henri Lifchitz & Renaud Lifchitz : October, 26 2000, last modification: April, 01 2025 12:28 (Time in France)

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