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 ?
6001(2^390343+2246)/2117505Stefano Morozzi01/2021
600228043^15478+15478^28043117493Hans Havermann02/2021
6003(17*2^390272+1)/1983117482Lelio R Paula04/2014
600437077^1474+1474^37077117479Hans Havermann01/2021
600531^78759-30117459Theodore Burton02/2007
6006(2^390176+1222)/2117455Stefano Morozzi09/2020
6007(2^390133+1242)/2117442Stefano Morozzi09/2020
6008(2^390013+2634)/2117406Stefano Morozzi09/2020
60093*10^117402+61117403Robert Price09/2020
60102^389998+37117402Lelio R Paula03/2013
6011(2^389977+314)/2117395Stefano Morozzi09/2020
6012(2^389921+342)/2117378Stefano Morozzi01/2021
601371830^43+43^71830117333Hans Havermann01/2021
6014(2^389768+1582)/2117332Stefano Morozzi09/2020
601533802^2951+2951^33802117292Hans Havermann02/2021
601626789^23866+23866^26789117277Hans Havermann02/2021
601729^80192-1*80192^29117273Dylan Delgado12/2019
6018(101*10^117260+7)/9117262Robert Price02/2022
6019(13*10^117249+161)/3117250Robert Price11/2018
60202^389478+43117245Lelio R Paula03/2013
6021(298*10^117229-7)/3117231Robert Price06/2020
6022(2^389416+342)/2117226Stefano Morozzi01/2021
6023(29*2^389351-1)/9117207Lelio R Paula04/2014
60245*10^117205+23117206Robert Price03/2019
6025(2^389341-7)/3865117200Lelio R Paula03/2014
602627272^19827+19827^27272117195Hans Havermann01/2021
6027(2^389276+2650)/2117184Stefano Morozzi09/2020
6028(844*10^117175-7)/9117177Robert Price05/2021
602910^117142+209223117143Patrick De Geest04/2018
603110^117142-1000000001117142Robert Price03/2018
603010^117142-966057117142Patrick De Geest04/2018
603210^117135+360577117136Patrick De Geest07/2018
603310^117135-401117135Robert Price01/2018
603426415^26488-26488^26415117126Norbert Schneider05/2021
60354*10^117123+79117124Robert Price08/2018
60362^389033-12797413117111Enzo Doria04/2016
6037(2^388987+2634)/2117097Stefano Morozzi09/2020
60382^388960-109505117089Enzo Doria04/2014
60397*10^117082-57117083Robert Price06/2020
6040791^40398-40398^791117081Norman Luhn09/2024
6041(2^388928-5)/569117077Lelio R Paula03/2014
60422^388888-1529117067Yves Minet01/2013
604310^117059+28879117060Patrick De Geest05/2016
6044(10^117059-71)/1117059Serge Batalov12/2014
6045(2^388854+3630)/2117057Stefano Morozzi09/2020
6046(2^388842+2098)/2117053Stefano Morozzi09/2020
6047(2^388789+3150)/2117037Stefano Morozzi09/2020
6048(2^388748+378)/2117025Stefano Morozzi02/2021
6049(693^41189-1)/692117005Michael Stocker05/2020
6050(26*10^116999-503)/9117000Robert Price07/2018
605120^89917-21116985Anonymous09/2024
6052(2^388609+1554)/2116983Stefano Morozzi09/2020
605338496^1093+1093^38496116975Hans Havermann02/2021
60543^245154-6256116969Enzo Doria05/2014
60555*10^116966-43116967Robert Price01/2019
60562^388536-113495116961Enzo Doria08/2014
6057(2^388512+382)/2116954Stefano Morozzi02/2021
6058(8*32^77701+271)/31116952Eric Chen11/2023
60592^388469-43116941Lelio R Paula03/2013
606027417^18416+18416^27417116939Hans Havermann02/2021
6061(2^388438+1842)/2116932Stefano Morozzi02/2021
6062(7*2^388372-1)/111116911Lelio R Paula04/2014
6063(7*2^388335-1)/25116900Lelio R Paula04/2014
60642^388180+93116854Donovan Johnson07/2008
6065(2^388167+2510)/2116850Stefano Morozzi09/2020
6066(85*10^116842+293)/9116843Robert Price12/2019
606735296^2043+2043^35296116840Hans Havermann02/2021
6068(2^388081+7)/1179116821Lelio R Paula03/2014
606938633^1056+1056^38633116814Hans Havermann02/2021
60702^387946-113261116784Enzo Doria07/2014
607128*36^75009+305116739Eric Chen12/2022
607228363^13056+13056^28363116737Hans Havermann02/2021
60732^387745+75557116723Enzo Doria04/2016
6074(29*10^116719+313)/9116720Robert Price04/2021
607529622^8699+8699^29622116695Hans Havermann02/2021
6076(206*10^116687-17)/9116689Robert Price01/2020
6077(7*10^116684+179)/3116685Robert Price09/2018
60782^387554+71455116666Enzo Doria04/2016
6079(602*10^116647-71)/9116649Robert Price12/2021
60803^244461-10116638Tyler NeSmith09/2022
6081(2^387447+78557)/365116631Lelio R Paula12/2014
6082(2*10^116620+43)/9116620Serge Batalov11/2022
6083(19*10^116617+287)/9/12893116614Alfred Reich11/2022
6084(145*10^116610-1)/9116612Serge Batalov12/2014
6085(25*10^116601-331)/9116602Robert Price08/2018
608625791^26428-26428^25791116587Frank Doornink03/2024
6088(17*2^387284-1)/59116584Lelio R Paula04/2014
6087(2^387284+3726)/2116584Stefano Morozzi09/2020
60892^387211+111546435116563Paul Bourdelais10/2021
609010^116557+987654321116558Robert Price12/2019
609110^116557+9141116558Patrick De Geest02/2020
609210^116557-609431116557Patrick De Geest02/2020
6093209^50234-50234^209116551Norman Luhn09/2024
6094(28*10^116546+41)/3116547Robert Price07/2021
6095(2^387123+1814)/2116536Stefano Morozzi02/2021
6096(2^387076+2046)/2116522Stefano Morozzi09/2020
6097(2^387073+2570)/2116521Stefano Morozzi09/2020
6098(7*10^116514-1)/3116515Robert Price08/2022
6099(26*32^77406-390071011)/31116508Eric Chen11/2023
610028846^10931+10931^28846116500Hans Havermann02/2021
610110^116496+3593037116497Paul Bourdelais10/2021
6102272^47851-47851^272116497Norman Luhn09/2024
6103(31*2^386968+1)/7116490Lelio R Paula03/2014
6104(944^39157+1)/945116489Jinyuan Wang12/2024
61052^386947+1869143116483Enzo Doria05/2016
6106(30^78857-1)/29116480Robert Price12/2011
6107(2^386903-3)/5116469Lelio R Paula03/2014
610828107^13892+13892^28107116441Hans Havermann02/2021
610929110^9957+9957^29110116386Hans Havermann02/2021
611026469^24838+24838^26469116335Hans Havermann01/2021
61112^386389-1864783116315Enzo Doria03/2016
6112(8*32^77250-163)/31116273Eric Chen11/2023
6113(31*2^386231-1)/1711116266Lelio R Paula03/2014
6114297^47012+47012^297116250Norbert Schneider07/2018
6115(35*10^116223-341)/9116224Robert Price08/2021
6116(2^386087-5)/40959116220Lelio R Paula03/2014
6117(2^386054+714)/2116214Stefano Morozzi09/2020
6118(10^116201+7)/39623116197Alfred Reich06/2021
61192^385969-823116189Yves Minet05/2012
612057^66162+2116173Lelio R Paula08/2013
61212^385854+75049116154Enzo Doria04/2016
6122(2^385832+2590)/2116147Stefano Morozzi09/2020
61232^385775-109587116130Enzo Doria04/2014
6124(14*10^116112-101)/3116113Robert Price02/2019
6125Phi(236354,10)/24817171116109Makoto Kamada08/2019
61263*10^116107+23116108Robert Price03/2022
612728729^10990+10990^28729116094Hans Havermann02/2021
61282^385622+71839116084Enzo Doria04/2016
61302^385564+781116067Lelio R Paula01/2012
6129(2^385565+1562)/2116067Stefano Morozzi09/2020
6131(2^385563+378)/2116066Stefano Morozzi02/2021
6132(2^385557+2214)/2116064Stefano Morozzi09/2020
613329431^8776+8776^29431116056Hans Havermann01/2021
6134(266*10^116024-17)/3116026Robert Price07/2020
613530263^6820+6820^30263116022Hans Havermann02/2021
61362^385410+71893116020Enzo Doria04/2016
613738225^1084+1084^38225116014Hans Havermann02/2021
613826548^23433+23433^26548116011Hans Havermann02/2021
613912^107422-11115928Riley Fisher12/2023
6140(25*2^385091+1)/27115924Lelio R Paula04/2014
6141(11*10^115910-131)/3115911Robert Price09/2018
61422^384953-111943115883Paul Bourdelais02/2012
614343^70942-2115882Lelio R Paula04/2014
6144(94*10^115879-7)/3115881Robert Price03/2020
61457*10^115863+3115864Robert Price08/2015
61462^384834+93115847Donovan Johnson07/2008
61472^384809+71297115840Enzo Doria04/2016
6148(55*10^115829+323)/9115830Robert Price10/2021
6149(7*2^384759-1)/5115825Lelio R Paula04/2014
615031348^4951+4951^31348115822Hans Havermann02/2021
6151(793*10^115810+53)/9115812Robert Price01/2022
6152(71*10^115810-17)/9115811Ray Chandler08/2011
6153(97*10^115794-1)/3115796Serge Batalov12/2014
615431115^5266+5266^31115115794Hans Havermann02/2021
61552*10^115784-27115785Robert Price05/2018
615610^115773+126739115774Patrick De Geest04/2018
615810^115773-1000000001115773Robert Price03/2018
615710^115773-396221115773Patrick De Geest04/2018
6159(2^384582+778)/2115771Stefano Morozzi09/2020
616030537^6178+6178^30537115762Hans Havermann01/2021
61612^384530+1874305115756Enzo Doria06/2016
6162(3*2^384524-1)/7631115750Lelio R Paula03/2014
616328275^12406+12406^28275115748Hans Havermann01/2021
6164(44*10^115697-413)/9115698Robert Price03/2019
616531408^4825+4825^31408115692Hans Havermann02/2021
6166(2^384317+1026)/2115691Stefano Morozzi09/2020
61672^384312+81091115690Yves Minet02/2010
6168(2^384265+2150)/2115675Stefano Morozzi09/2020
6169(2^384246+2182)/2115670Stefano Morozzi09/2020
6170(4*10^115668-79)/3115669Robert Price02/2018
6171(2^384193+242)/2115654Stefano Morozzi09/2020
6172(266947#+1267)/(7^2*181)115647Makoto Morimoto06/2019
6173(266947#+273808)/(2*109*157)115646Makoto Morimoto10/2017
617418^92125-92125^18115642Dylan Delgado08/2019
61753^242337-4042115625Enzo Doria05/2014
6176(17699*31^77516-29)/30115608Eric Chen05/2024
6177(2^383931+674)/2115575Stefano Morozzi09/2020
61787*10^115561+79115562Robert Price07/2019
6179(2^383872+3046)/2115557Stefano Morozzi09/2020
6180(11*2^383859-13)/15115553Renaud Lifchitz03/2011
61812^383780-3149115530Yves Minet10/2014
6182(41*10^115523-383)/9115524Robert Price11/2018
618327316^16923+16923^27316115506Hans Havermann02/2021
6184(2^383618+618)/2115481Stefano Morozzi09/2020
61852^383560-455115464Yves Minet03/2012
6186(2^383544+5)/3115458Lelio R Paula03/2014
6187(22*10^115454+119)/3115455Robert Price04/2021
618889^59221-88^59221115445Robert Price06/2015
6189(7^136559-5^136559)/2115406Jon Grantham08/2023
61902^383347+1869413115399Enzo Doria05/2016
6191(103*10^115366+17)/3115368Robert Price08/2020
6192(2^383232+750)/2115365Stefano Morozzi09/2020
6193(2^383130-7)/131793115329Lelio R Paula03/2014
6194(12^106859+1)/13115320Paul Bourdelais02/2010
619529961^7060+7060^29961115315Hans Havermann01/2021
61972^383039+1869509115307Enzo Doria05/2016
619632918^3183+3183^32918115307Hans Havermann01/2021
619836964^1315+1315^36964115288Hans Havermann02/2021
6199(13*2^382968+1)/7115286Lelio R Paula04/2014
6200(22*10^115282+29)/3115283Robert Price02/2021
6201(2^382945+2046)/2115278Stefano Morozzi09/2020
6202(2^382789+3182)/2115231Stefano Morozzi09/2020
620330416^6141+6141^30416115224Hans Havermann02/2021
62046*10^115211+79115212Robert Price09/2020
6205(2^382722+3598)/2115211Stefano Morozzi09/2020
620627987^13078+13078^27987115210Hans Havermann02/2021
6207(2^382699+2090)/2115204Stefano Morozzi09/2020
6208(22*10^115188-193)/9115189Robert Price07/2022
62092^382633+73697115185Enzo Doria04/2016
62102^382509-113593115147Enzo Doria08/2014
62112^382502-2791721115145Enzo Doria03/2016
6212(2^382495+1274)/2115143Stefano Morozzi01/2021
62132^382464+22741115134Enzo Doria09/2023
621426752^20065+20065^26752115099Hans Havermann02/2021
621526383^23008+23008^26383115080Hans Havermann02/2021
62169^120590-120590115073Robert Price03/2014
621728203^12016+12016^28203115062Hans Havermann02/2021
62182^382198+9115054Lelio R Paula03/2013
621918268*31^77131+22839115035Eric Chen05/2024
622030101^6630+6630^30101115032Hans Havermann01/2021
6221(89*10^115030-179)/9115031Robert Price12/2019
622225554^26089-26089^25554114987Frank Doornink02/2024
622325142^26129-26129^25142114979Frank Doornink12/2023
6224(2^381935+2774)/2114974Stefano Morozzi02/2021
622527300^16271+16271^27300114972Hans Havermann02/2021
6226(23*10^114962+7)/3114963Robert Price05/2023
62272^381883-59197114959Enzo Doria10/2015
622827423^15542+15542^27423114944Hans Havermann02/2021
6229(2^381820+1626)/2114939Stefano Morozzi09/2020
62312^381806-4481114936Yves Minet07/2011
62302^381808-1851507114936Enzo Doria08/2015
6232(2^381792+2502)/2114931Stefano Morozzi09/2020
62332^381774-112373114926Enzo Doria06/2014
623426341^22980+22980^26341114883Hans Havermann01/2021
62352^381555-109051114860Enzo Doria04/2014
62362^381551+213683114859Enzo Doria09/2023
62372^381546-113501114857Enzo Doria08/2014
6238(7*10^114845-19)/3114846Robert Price10/2020
623926675^20178+20178^26675114833Hans Havermann02/2021
6240(2^381436+1182)/2114824Stefano Morozzi09/2020
62413^240644+16114817Robert Price04/2020
62422^381360-110429114801Enzo Doria05/2014
6243(17*10^114795+79)/3114796Robert Price04/2019
6244(66^63079+1)/67114774Paul Bourdelais09/2017
62452^381252-115079114769Enzo Doria06/2015
6246(2^381251+3186)/2114768Stefano Morozzi09/2020
62472^381209-29323114756Enzo Doria07/2015
62482^381207-111546435114755Paul Bourdelais10/2021
6249569^41651-568^41651114754Jean-Louis Charton11/2009
62502^381201+1873205114753Enzo Doria06/2016


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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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