PRP Records

Probable Primes Top 10000

(300805 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 ?
575210^118772-40000000001118772Robert Price09/2020
575110^118772-207603118772Patrick De Geest02/2021
575326842^26577+26577^26842118763Hans Havermann02/2021
5754(2^394513+2034)/2118760Stefano Morozzi09/2020
5755(2^394473+2774)/2118748Stefano Morozzi02/2021
575627949^17710+17710^27949118734Hans Havermann02/2021
57572^394266+71389118686Enzo Doria04/2016
5758(10^118681-3^118681)/7118681Jon Grantham08/2023
57592^394215-51261118671Tony Prest / Never Odd Or Even04/2018
5760(2^394215-48793)/5/5118670Tony Prest / Never Odd Or Even04/2018
5761(2^394215-17063)/3/3/5118669Tony Prest / Never Odd Or Even04/2018
5762(2^394215-24393)/5/5/5/5/5118668Tony Prest / Never Odd Or Even04/2018
5763(2^394215-35885)/3/71/173118666Tony Prest / Never Odd Or Even04/2018
5764(2^394215-47925)/353/2269118665Tony Prest / Never Odd Or Even04/2018
576529201^11568+11568^29201118652Hans Havermann02/2021
5766(2^394215-62819)/3/3/3/3/3/3/3/7/21737/1082153/1953673118650Tony Prest / Never Odd Or Even04/2018
5767(2^394131+2214)/2118645Stefano Morozzi09/2020
5768(17*10^118635+13)/3118636Robert Price01/2019
57695^169727+2118635Lelio R Paula08/2013
57702^394034-3118617M. Frind & P. Underwood09/2002
5771(7*10^118607+179)/3118608Robert Price09/2018
57723^248572-6242118599Enzo Doria05/2014
5773(3*2^393964-1)/181118594Lelio R Paula04/2014
5774(49*10^118576-319)/9118577Robert Price10/2021
57757^140303-6118570Robert Price11/2014
5776(2^393864+2686)/2118565Stefano Morozzi09/2020
5777(2^393862+3150)/2118564Stefano Morozzi09/2020
5778(2^393849+3762)/2118561Stefano Morozzi01/2021
5779(529*10^118554-7)/9118556Robert Price08/2021
578026712^26777-26777^26712118534Norbert Schneider07/2021
5781(2^393661+2666)/2118504Stefano Morozzi09/2020
5782(2^393650+1614)/2118501Stefano Morozzi09/2020
578327655^19264+19264^27655118495Hans Havermann02/2021
578410^118485+469413118486Patrick De Geest05/2021
578510^118485-50001118485Robert Price08/2020
5786(2^393528+1030)/2118464Stefano Morozzi09/2020
57872^393427+75683118434Enzo Doria04/2016
57882^393376-114749118418Enzo Doria04/2015
5789(65*10^118417+493)/9118418Robert Price08/2021
579030960^6671+6671^30960118397Hans Havermann02/2021
5791(2^393234+2010)/2118375Stefano Morozzi09/2020
5792(2^393205+3030)/2118367Stefano Morozzi09/2020
5793(2^393191+2174)/2118362Stefano Morozzi09/2020
57942^393180+73118359Lelio R Paula04/2013
57953*2^393125+5118343Jon Grantham07/2023
579627546^19771+19771^27546118339Hans Havermann02/2021
5797822^40595-40595^822118330Norman Luhn09/2024
5798p(23881)#/2+256118328Robert Price05/2017
5799(10^118324+359)/9118324Serge Batalov12/2014
5800(2^393048+570)/2118319Stefano Morozzi09/2020
5801p(23879)#/2+64118317Robert Price03/2017
58022^393033+20147118315Enzo Doria08/2023
58038*10^118308+59118309Robert Price11/2021
58049*10^118282+29118283Robert Price03/2022
5805(238*10^118265-1)/3118267Robert Price04/2020
5807(53*10^118216+1)/9118217Serge Batalov11/2010
5806(2^392707+1710)/2118217Stefano Morozzi09/2020
5808(7*2^392697+1)/15118214Renaud Lifchitz03/2011
5809(157^53819-1)/156118179Alexander Zhirkov06/2016
5810(2^392567+2750)/2118175Stefano Morozzi01/2021
581155*10^118172+3118174Robert Price07/2022
5812(19*2^392551+1)/3118171Lelio R Paula04/2014
581327185^22222+22222^27185118168Hans Havermann01/2021
58142^392516-29219118160Enzo Doria07/2015
581566*10^118155+7118157Robert Price07/2020
5816Phi(177231,10)118152Maksym Voznyy09/2015
58172^392413-112123118129Enzo Doria06/2014
581827491^19798+19798^27491118119Hans Havermann02/2021
5819(49*10^118109-319)/9118110Robert Price10/2021
5820(2^392342+5)/27118106Lelio R Paula04/2014
5821(2^392333+1782)/2118104Stefano Morozzi01/2021
58222^392300-1841429118095Enzo Doria06/2015
58233*2^392260-5118083Jon Grantham07/2023
58242^392220+75241118070Enzo Doria04/2016
582527836^17409+17409^27836118047Hans Havermann02/2021
582610^118009+664447118010Patrick De Geest07/2018
582710^118009-20001118009Robert Price01/2018
5828(14*10^117991+61)/3117992Robert Price12/2018
58292^391933+5897117984Yves Minet02/2011
58302^391912-1849259117978Enzo Doria08/2015
5831(2*34^77029+1043)/11117968Eric Chen08/2023
58325*2^391836-3117956Jon Grantham07/2023
583328357^14440+14440^28357117953Hans Havermann02/2021
5834(2^391812+5)/14181117944Lelio R Paula04/2014
583585^61124-61124^85117934Norman Luhn09/2024
5836(7*10^117930-79)/9117930Robert Price01/2021
583727531^19168+19168^27531117904Hans Havermann02/2021
5838(46*10^117902+683)/9117903Robert Price03/2019
583926349^26668-26668^26349117893Frank Doornink03/2024
584027670^18189+18189^27670117869Hans Havermann02/2021
5841(7*2^391521+1)/285117858Lelio R Paula04/2014
5842(56*10^117856+583)/9117857Robert Price08/2021
584332169^4606+4606^32169117846Hans Havermann02/2021
5844(71*10^117803-143)/9117804Robert Price10/2021
58452^391324+90901117801Yves Minet02/2011
58462^391301-1859923117794Enzo Doria03/2016
58472^391261-4131117782Yves Minet02/2018
5848(2^391211+554)/2117766Stefano Morozzi09/2020
5849816^40445-40445^816117764Norman Luhn09/2024
585038434^1157+1157^38434117737Hans Havermann01/2021
5851(2^391115-7)/11791117734Lelio R Paula04/2014
5852(85*10^117719+473)/9117720Robert Price01/2020
5853(2^391049+582)/2117718Stefano Morozzi09/2020
5854(21*23^86445-197)/22117715Eric Chen08/2023
585531083^6122+6122^31083117709Hans Havermann02/2021
58562^390960+1880881117691Enzo Doria11/2016
5857(71*10^117685+91)/9117686Robert Price04/2022
58592^390897-1860553117672Enzo Doria11/2015
5858(61*10^117671+47)/9117672Robert Price07/2022
58602^390889-115003117670Enzo Doria06/2015
586112^109010+35117642Riley Fisher08/2023
58622^390779-30337117637Paul Bourdelais02/2012
5863(2^390735+378)/2117623Stefano Morozzi02/2021
586411^112916-780117590Enzo Doria12/2012
586527641^17916+17916^27641117564Hans Havermann02/2021
586627906^16321+16321^27906117561Hans Havermann02/2021
586727294^20275+20275^27294117555Hans Havermann02/2021
5868(2^390473+1002)/2117544Stefano Morozzi09/2020
586935912^1875+1875^35912117541Hans Havermann02/2021
5870(16^97613-5^97613)/11117537Robert Price07/2013
5871(2^390438+1774)/2117534Stefano Morozzi01/2021
5872(2^390418+1722)/2117528Stefano Morozzi09/2020
5873(2^390403+654)/2117523Stefano Morozzi09/2020
5874(2^390343+2246)/2117505Stefano Morozzi01/2021
587528043^15478+15478^28043117493Hans Havermann02/2021
5876(17*2^390272+1)/1983117482Lelio R Paula04/2014
587737077^1474+1474^37077117479Hans Havermann01/2021
587831^78759-30117459Theodore Burton02/2007
5879(2^390176+1222)/2117455Stefano Morozzi09/2020
5880(2^390133+1242)/2117442Stefano Morozzi09/2020
5881(2^390013+2634)/2117406Stefano Morozzi09/2020
58823*10^117402+61117403Robert Price09/2020
58832^389998+37117402Lelio R Paula03/2013
5884(2^389977+314)/2117395Stefano Morozzi09/2020
5885(2^389921+342)/2117378Stefano Morozzi01/2021
588671830^43+43^71830117333Hans Havermann01/2021
5887(2^389768+1582)/2117332Stefano Morozzi09/2020
588833802^2951+2951^33802117292Hans Havermann02/2021
588926789^23866+23866^26789117277Hans Havermann02/2021
589029^80192-1*80192^29117273Dylan Delgado12/2019
5891(101*10^117260+7)/9117262Robert Price02/2022
5892(13*10^117249+161)/3117250Robert Price11/2018
58932^389478+43117245Lelio R Paula03/2013
5894(298*10^117229-7)/3117231Robert Price06/2020
5895(2^389416+342)/2117226Stefano Morozzi01/2021
5896(29*2^389351-1)/9117207Lelio R Paula04/2014
58975*10^117205+23117206Robert Price03/2019
5898(2^389341-7)/3865117200Lelio R Paula03/2014
589927272^19827+19827^27272117195Hans Havermann01/2021
5900(2^389276+2650)/2117184Stefano Morozzi09/2020
5901(844*10^117175-7)/9117177Robert Price05/2021
590210^117142+209223117143Patrick De Geest04/2018
590410^117142-1000000001117142Robert Price03/2018
590310^117142-966057117142Patrick De Geest04/2018
590510^117135+360577117136Patrick De Geest07/2018
590610^117135-401117135Robert Price01/2018
590726415^26488-26488^26415117126Norbert Schneider05/2021
59084*10^117123+79117124Robert Price08/2018
59092^389033-12797413117111Enzo Doria04/2016
5910(2^388987+2634)/2117097Stefano Morozzi09/2020
59112^388960-109505117089Enzo Doria04/2014
59127*10^117082-57117083Robert Price06/2020
5913791^40398-40398^791117081Norman Luhn09/2024
5914(2^388928-5)/569117077Lelio R Paula03/2014
59152^388888-1529117067Yves Minet01/2013
591610^117059+28879117060Patrick De Geest05/2016
5917(10^117059-71)/1117059Serge Batalov12/2014
5918(2^388854+3630)/2117057Stefano Morozzi09/2020
5919(2^388842+2098)/2117053Stefano Morozzi09/2020
5920(2^388789+3150)/2117037Stefano Morozzi09/2020
5921(2^388748+378)/2117025Stefano Morozzi02/2021
5922(693^41189-1)/692117005Michael Stocker05/2020
5923(26*10^116999-503)/9117000Robert Price07/2018
592420^89917-21116985Anonymous09/2024
5925(2^388609+1554)/2116983Stefano Morozzi09/2020
592638496^1093+1093^38496116975Hans Havermann02/2021
59273^245154-6256116969Enzo Doria05/2014
59285*10^116966-43116967Robert Price01/2019
59292^388536-113495116961Enzo Doria08/2014
5930(2^388512+382)/2116954Stefano Morozzi02/2021
5931(8*32^77701+271)/31116952Eric Chen11/2023
59322^388469-43116941Lelio R Paula03/2013
593327417^18416+18416^27417116939Hans Havermann02/2021
5934(2^388438+1842)/2116932Stefano Morozzi02/2021
5935(7*2^388372-1)/111116911Lelio R Paula04/2014
5936(7*2^388335-1)/25116900Lelio R Paula04/2014
59372^388180+93116854Donovan Johnson07/2008
5938(2^388167+2510)/2116850Stefano Morozzi09/2020
5939(85*10^116842+293)/9116843Robert Price12/2019
594035296^2043+2043^35296116840Hans Havermann02/2021
5941(2^388081+7)/1179116821Lelio R Paula03/2014
594238633^1056+1056^38633116814Hans Havermann02/2021
59432^387946-113261116784Enzo Doria07/2014
594428*36^75009+305116739Eric Chen12/2022
594528363^13056+13056^28363116737Hans Havermann02/2021
59462^387745+75557116723Enzo Doria04/2016
5947(29*10^116719+313)/9116720Robert Price04/2021
594829622^8699+8699^29622116695Hans Havermann02/2021
5949(206*10^116687-17)/9116689Robert Price01/2020
5950(7*10^116684+179)/3116685Robert Price09/2018
59512^387554+71455116666Enzo Doria04/2016
5952(602*10^116647-71)/9116649Robert Price12/2021
59533^244461-10116638Tyler NeSmith09/2022
5954(2^387447+78557)/365116631Lelio R Paula12/2014
5955(2*10^116620+43)/9116620Serge Batalov11/2022
5956(19*10^116617+287)/9/12893116614Alfred Reich11/2022
5957(145*10^116610-1)/9116612Serge Batalov12/2014
5958(25*10^116601-331)/9116602Robert Price08/2018
595925791^26428-26428^25791116587Frank Doornink03/2024
5961(17*2^387284-1)/59116584Lelio R Paula04/2014
5960(2^387284+3726)/2116584Stefano Morozzi09/2020
59622^387211+111546435116563Paul Bourdelais10/2021
596310^116557+987654321116558Robert Price12/2019
596410^116557+9141116558Patrick De Geest02/2020
596510^116557-609431116557Patrick De Geest02/2020
5966209^50234-50234^209116551Norman Luhn09/2024
5967(28*10^116546+41)/3116547Robert Price07/2021
5968(2^387123+1814)/2116536Stefano Morozzi02/2021
5969(2^387076+2046)/2116522Stefano Morozzi09/2020
5970(2^387073+2570)/2116521Stefano Morozzi09/2020
5971(7*10^116514-1)/3116515Robert Price08/2022
5972(26*32^77406-390071011)/31116508Eric Chen11/2023
597328846^10931+10931^28846116500Hans Havermann02/2021
597410^116496+3593037116497Paul Bourdelais10/2021
5975272^47851-47851^272116497Norman Luhn09/2024
5976(31*2^386968+1)/7116490Lelio R Paula03/2014
5977(944^39157+1)/945116489Jinyuan Wang12/2024
59782^386947+1869143116483Enzo Doria05/2016
5979(30^78857-1)/29116480Robert Price12/2011
5980(2^386903-3)/5116469Lelio R Paula03/2014
598128107^13892+13892^28107116441Hans Havermann02/2021
598229110^9957+9957^29110116386Hans Havermann02/2021
598326469^24838+24838^26469116335Hans Havermann01/2021
59842^386389-1864783116315Enzo Doria03/2016
5985(8*32^77250-163)/31116273Eric Chen11/2023
5986(31*2^386231-1)/1711116266Lelio R Paula03/2014
5987297^47012+47012^297116250Norbert Schneider07/2018
5988(35*10^116223-341)/9116224Robert Price08/2021
5989(2^386087-5)/40959116220Lelio R Paula03/2014
5990(2^386054+714)/2116214Stefano Morozzi09/2020
5991(10^116201+7)/39623116197Alfred Reich06/2021
59922^385969-823116189Yves Minet05/2012
599357^66162+2116173Lelio R Paula08/2013
59942^385854+75049116154Enzo Doria04/2016
5995(2^385832+2590)/2116147Stefano Morozzi09/2020
59962^385775-109587116130Enzo Doria04/2014
5997(14*10^116112-101)/3116113Robert Price02/2019
5998Phi(236354,10)/24817171116109Makoto Kamada08/2019
59993*10^116107+23116108Robert Price03/2022
600028729^10990+10990^28729116094Hans Havermann02/2021


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Created by  Henri Lifchitz & Renaud Lifchitz : October, 26 2000, last modification: January, 19 2025 11:18 (Time in France)

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