PRP Records

Probable Primes Top 10000

(295532 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 ?
55018*10^118308+59118309Robert Price11/2021
55029*10^118282+29118283Robert Price03/2022
5503(238*10^118265-1)/3118267Robert Price04/2020
5505(53*10^118216+1)/9118217Serge Batalov11/2010
5504(2^392707+1710)/2118217Stefano Morozzi09/2020
5506(7*2^392697+1)/15118214Renaud Lifchitz03/2011
5507(157^53819-1)/156118179Alexander Zhirkov06/2016
5508(2^392567+2750)/2118175Stefano Morozzi01/2021
550955*10^118172+3118174Robert Price07/2022
5510(19*2^392551+1)/3118171Lelio R Paula04/2014
551127185^22222+22222^27185118168Hans Havermann01/2021
55122^392516-29219118160Enzo Doria07/2015
551366*10^118155+7118157Robert Price07/2020
5514Phi(177231,10)118152Maksym Voznyy09/2015
55152^392413-112123118129Enzo Doria06/2014
551627491^19798+19798^27491118119Hans Havermann02/2021
5517(49*10^118109-319)/9118110Robert Price10/2021
5518(2^392342+5)/27118106Lelio R Paula04/2014
5519(2^392333+1782)/2118104Stefano Morozzi01/2021
55202^392300-1841429118095Enzo Doria06/2015
55213*2^392260-5118083Jon Grantham07/2023
55222^392220+75241118070Enzo Doria04/2016
552327836^17409+17409^27836118047Hans Havermann02/2021
552410^118009+664447118010Patrick De Geest07/2018
552510^118009-20001118009Robert Price01/2018
5526(14*10^117991+61)/3117992Robert Price12/2018
55272^391933+5897117984Yves Minet02/2011
55282^391912-1849259117978Enzo Doria08/2015
5529(2*34^77029+1043)/11117968Eric Chen08/2023
55305*2^391836-3117956Jon Grantham07/2023
553128357^14440+14440^28357117953Hans Havermann02/2021
5532(2^391812+5)/14181117944Lelio R Paula04/2014
5533(7*10^117930-79)/9117930Robert Price01/2021
553427531^19168+19168^27531117904Hans Havermann02/2021
5535(46*10^117902+683)/9117903Robert Price03/2019
553626349^26668-26668^26349117893Frank Doornink03/2024
553727670^18189+18189^27670117869Hans Havermann02/2021
5538(7*2^391521+1)/285117858Lelio R Paula04/2014
5539(56*10^117856+583)/9117857Robert Price08/2021
554032169^4606+4606^32169117846Hans Havermann02/2021
5541(71*10^117803-143)/9117804Robert Price10/2021
55422^391324+90901117801Yves Minet02/2011
55432^391301-1859923117794Enzo Doria03/2016
55442^391261-4131117782Yves Minet02/2018
5545(2^391211+554)/2117766Stefano Morozzi09/2020
554638434^1157+1157^38434117737Hans Havermann01/2021
5547(2^391115-7)/11791117734Lelio R Paula04/2014
5548(85*10^117719+473)/9117720Robert Price01/2020
5549(2^391049+582)/2117718Stefano Morozzi09/2020
5550(21*23^86445-197)/22117715Eric Chen08/2023
555131083^6122+6122^31083117709Hans Havermann02/2021
55522^390960+1880881117691Enzo Doria11/2016
5553(71*10^117685+91)/9117686Robert Price04/2022
55552^390897-1860553117672Enzo Doria11/2015
5554(61*10^117671+47)/9117672Robert Price07/2022
55562^390889-115003117670Enzo Doria06/2015
555712^109010+35117642Riley Fisher08/2023
55582^390779-30337117637Paul Bourdelais02/2012
5559(2^390735+378)/2117623Stefano Morozzi02/2021
556011^112916-780117590Enzo Doria12/2012
556127641^17916+17916^27641117564Hans Havermann02/2021
556227906^16321+16321^27906117561Hans Havermann02/2021
556327294^20275+20275^27294117555Hans Havermann02/2021
5564(2^390473+1002)/2117544Stefano Morozzi09/2020
556535912^1875+1875^35912117541Hans Havermann02/2021
5566(16^97613-5^97613)/11117537Robert Price07/2013
5567(2^390438+1774)/2117534Stefano Morozzi01/2021
5568(2^390418+1722)/2117528Stefano Morozzi09/2020
5569(2^390403+654)/2117523Stefano Morozzi09/2020
5570(2^390343+2246)/2117505Stefano Morozzi01/2021
557128043^15478+15478^28043117493Hans Havermann02/2021
5572(17*2^390272+1)/1983117482Lelio R Paula04/2014
557337077^1474+1474^37077117479Hans Havermann01/2021
557431^78759-30117459Theodore Burton02/2007
5575(2^390176+1222)/2117455Stefano Morozzi09/2020
5576(2^390133+1242)/2117442Stefano Morozzi09/2020
5577(2^390013+2634)/2117406Stefano Morozzi09/2020
55783*10^117402+61117403Robert Price09/2020
55792^389998+37117402Lelio R Paula03/2013
5580(2^389977+314)/2117395Stefano Morozzi09/2020
5581(2^389921+342)/2117378Stefano Morozzi01/2021
558271830^43+43^71830117333Hans Havermann01/2021
5583(2^389768+1582)/2117332Stefano Morozzi09/2020
558433802^2951+2951^33802117292Hans Havermann02/2021
558526789^23866+23866^26789117277Hans Havermann02/2021
558629^80192-1*80192^29117273Dylan Delgado12/2019
5587(101*10^117260+7)/9117262Robert Price02/2022
5588(13*10^117249+161)/3117250Robert Price11/2018
55892^389478+43117245Lelio R Paula03/2013
5590(298*10^117229-7)/3117231Robert Price06/2020
5591(2^389416+342)/2117226Stefano Morozzi01/2021
5592(29*2^389351-1)/9117207Lelio R Paula04/2014
55935*10^117205+23117206Robert Price03/2019
5594(2^389341-7)/3865117200Lelio R Paula03/2014
559527272^19827+19827^27272117195Hans Havermann01/2021
5596(2^389276+2650)/2117184Stefano Morozzi09/2020
5597(844*10^117175-7)/9117177Robert Price05/2021
559810^117142+209223117143Patrick De Geest04/2018
560010^117142-1000000001117142Robert Price03/2018
559910^117142-966057117142Patrick De Geest04/2018
560110^117135+360577117136Patrick De Geest07/2018
560210^117135-401117135Robert Price01/2018
560326415^26488-26488^26415117126Norbert Schneider05/2021
56044*10^117123+79117124Robert Price08/2018
56052^389033-12797413117111Enzo Doria04/2016
5606(2^388987+2634)/2117097Stefano Morozzi09/2020
56072^388960-109505117089Enzo Doria04/2014
56087*10^117082-57117083Robert Price06/2020
5609(2^388928-5)/569117077Lelio R Paula03/2014
56102^388888-1529117067Yves Minet01/2013
561110^117059+28879117060Patrick De Geest05/2016
5612(10^117059-71)/1117059Serge Batalov12/2014
5613(2^388854+3630)/2117057Stefano Morozzi09/2020
5614(2^388842+2098)/2117053Stefano Morozzi09/2020
5615(2^388789+3150)/2117037Stefano Morozzi09/2020
5616(2^388748+378)/2117025Stefano Morozzi02/2021
5617(693^41189-1)/692117005Michael Stocker05/2020
5618(26*10^116999-503)/9117000Robert Price07/2018
5619(2^388609+1554)/2116983Stefano Morozzi09/2020
562038496^1093+1093^38496116975Hans Havermann02/2021
56213^245154-6256116969Enzo Doria05/2014
56225*10^116966-43116967Robert Price01/2019
56232^388536-113495116961Enzo Doria08/2014
5624(2^388512+382)/2116954Stefano Morozzi02/2021
5625(8*32^77701+271)/31116952Eric Chen11/2023
56262^388469-43116941Lelio R Paula03/2013
562727417^18416+18416^27417116939Hans Havermann02/2021
5628(2^388438+1842)/2116932Stefano Morozzi02/2021
5629(7*2^388372-1)/111116911Lelio R Paula04/2014
5630(7*2^388335-1)/25116900Lelio R Paula04/2014
56312^388180+93116854Donovan Johnson07/2008
5632(2^388167+2510)/2116850Stefano Morozzi09/2020
5633(85*10^116842+293)/9116843Robert Price12/2019
563435296^2043+2043^35296116840Hans Havermann02/2021
5635(2^388081+7)/1179116821Lelio R Paula03/2014
563638633^1056+1056^38633116814Hans Havermann02/2021
56372^387946-113261116784Enzo Doria07/2014
563828*36^75009+305116739Eric Chen12/2022
563928363^13056+13056^28363116737Hans Havermann02/2021
56402^387745+75557116723Enzo Doria04/2016
5641(29*10^116719+313)/9116720Robert Price04/2021
564229622^8699+8699^29622116695Hans Havermann02/2021
5643(206*10^116687-17)/9116689Robert Price01/2020
5644(7*10^116684+179)/3116685Robert Price09/2018
56452^387554+71455116666Enzo Doria04/2016
5646(602*10^116647-71)/9116649Robert Price12/2021
56473^244461-10116638Tyler NeSmith09/2022
5648(2^387447+78557)/365116631Lelio R Paula12/2014
5649(2*10^116620+43)/9116620Serge Batalov11/2022
5650(19*10^116617+287)/9/12893116614Alfred Reich11/2022
5651(145*10^116610-1)/9116612Serge Batalov12/2014
5652(25*10^116601-331)/9116602Robert Price08/2018
565325791^26428-26428^25791116587Frank Doornink03/2024
5655(17*2^387284-1)/59116584Lelio R Paula04/2014
5654(2^387284+3726)/2116584Stefano Morozzi09/2020
56562^387211+111546435116563Paul Bourdelais10/2021
565710^116557+987654321116558Robert Price12/2019
565810^116557+9141116558Patrick De Geest02/2020
565910^116557-609431116557Patrick De Geest02/2020
5660(28*10^116546+41)/3116547Robert Price07/2021
5661(2^387123+1814)/2116536Stefano Morozzi02/2021
5662(2^387076+2046)/2116522Stefano Morozzi09/2020
5663(2^387073+2570)/2116521Stefano Morozzi09/2020
5664(7*10^116514-1)/3116515Robert Price08/2022
5665(26*32^77406-390071011)/31116508Eric Chen11/2023
566628846^10931+10931^28846116500Hans Havermann02/2021
566710^116496+3593037116497Paul Bourdelais10/2021
5668(31*2^386968+1)/7116490Lelio R Paula03/2014
56692^386947+1869143116483Enzo Doria05/2016
5670(30^78857-1)/29116480Robert Price12/2011
5671(2^386903-3)/5116469Lelio R Paula03/2014
567228107^13892+13892^28107116441Hans Havermann02/2021
567329110^9957+9957^29110116386Hans Havermann02/2021
567426469^24838+24838^26469116335Hans Havermann01/2021
56752^386389-1864783116315Enzo Doria03/2016
5676(8*32^77250-163)/31116273Eric Chen11/2023
5677(31*2^386231-1)/1711116266Lelio R Paula03/2014
5678297^47012+47012^297116250Norbert Schneider07/2018
5679(35*10^116223-341)/9116224Robert Price08/2021
5680(2^386087-5)/40959116220Lelio R Paula03/2014
5681(2^386054+714)/2116214Stefano Morozzi09/2020
5682(10^116201+7)/39623116197Alfred Reich06/2021
56832^385969-823116189Yves Minet05/2012
568457^66162+2116173Lelio R Paula08/2013
56852^385854+75049116154Enzo Doria04/2016
5686(2^385832+2590)/2116147Stefano Morozzi09/2020
56872^385775-109587116130Enzo Doria04/2014
5688(14*10^116112-101)/3116113Robert Price02/2019
5689Phi(236354,10)/24817171116109Makoto Kamada08/2019
56903*10^116107+23116108Robert Price03/2022
569128729^10990+10990^28729116094Hans Havermann02/2021
56922^385622+71839116084Enzo Doria04/2016
56932^385564+781116067Lelio R Paula01/2012
5694(2^385565+1562)/2116067Stefano Morozzi09/2020
5695(2^385563+378)/2116066Stefano Morozzi02/2021
5696(2^385557+2214)/2116064Stefano Morozzi09/2020
569729431^8776+8776^29431116056Hans Havermann01/2021
5698(266*10^116024-17)/3116026Robert Price07/2020
569930263^6820+6820^30263116022Hans Havermann02/2021
57002^385410+71893116020Enzo Doria04/2016
570138225^1084+1084^38225116014Hans Havermann02/2021
570226548^23433+23433^26548116011Hans Havermann02/2021
570312^107422-11115928Riley Fisher12/2023
5704(25*2^385091+1)/27115924Lelio R Paula04/2014
5705(11*10^115910-131)/3115911Robert Price09/2018
57062^384953-111943115883Paul Bourdelais02/2012
570743^70942-2115882Lelio R Paula04/2014
5708(94*10^115879-7)/3115881Robert Price03/2020
57097*10^115863+3115864Robert Price08/2015
57102^384834+93115847Donovan Johnson07/2008
57112^384809+71297115840Enzo Doria04/2016
5712(55*10^115829+323)/9115830Robert Price10/2021
5713(7*2^384759-1)/5115825Lelio R Paula04/2014
571431348^4951+4951^31348115822Hans Havermann02/2021
5715(793*10^115810+53)/9115812Robert Price01/2022
5716(71*10^115810-17)/9115811Ray Chandler08/2011
5717(97*10^115794-1)/3115796Serge Batalov12/2014
571831115^5266+5266^31115115794Hans Havermann02/2021
57192*10^115784-27115785Robert Price05/2018
572010^115773+126739115774Patrick De Geest04/2018
572210^115773-1000000001115773Robert Price03/2018
572110^115773-396221115773Patrick De Geest04/2018
5723(2^384582+778)/2115771Stefano Morozzi09/2020
572430537^6178+6178^30537115762Hans Havermann01/2021
57252^384530+1874305115756Enzo Doria06/2016
5726(3*2^384524-1)/7631115750Lelio R Paula03/2014
572728275^12406+12406^28275115748Hans Havermann01/2021
5728(44*10^115697-413)/9115698Robert Price03/2019
572931408^4825+4825^31408115692Hans Havermann02/2021
5730(2^384317+1026)/2115691Stefano Morozzi09/2020
57312^384312+81091115690Yves Minet02/2010
5732(2^384265+2150)/2115675Stefano Morozzi09/2020
5733(2^384246+2182)/2115670Stefano Morozzi09/2020
5734(4*10^115668-79)/3115669Robert Price02/2018
5735(2^384193+242)/2115654Stefano Morozzi09/2020
5736(266947#+1267)/(7^2*181)115647Makoto Morimoto06/2019
5737(266947#+273808)/(2*109*157)115646Makoto Morimoto10/2017
573818^92125-92125^18115642Dylan Delgado08/2019
57393^242337-4042115625Enzo Doria05/2014
5740(17699*31^77516-29)/30115608Eric Chen05/2024
5741(2^383931+674)/2115575Stefano Morozzi09/2020
57427*10^115561+79115562Robert Price07/2019
5743(2^383872+3046)/2115557Stefano Morozzi09/2020
5744(11*2^383859-13)/15115553Renaud Lifchitz03/2011
57452^383780-3149115530Yves Minet10/2014
5746(41*10^115523-383)/9115524Robert Price11/2018
574727316^16923+16923^27316115506Hans Havermann02/2021
5748(2^383618+618)/2115481Stefano Morozzi09/2020
57492^383560-455115464Yves Minet03/2012
5750(2^383544+5)/3115458Lelio R Paula03/2014


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Created by  Henri Lifchitz & Renaud Lifchitz : October, 26 2000, last modification: July, 26 2024 20:36 (Time in France)

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