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 ?
97518*10^98111-6798112Robert Price10/2017
9752(2^325902+1138)/298106Stefano Morozzi09/2020
9753(215^42061-1)/21498103Serge Batalov06/2022
9754(6775^25609-1)/677498102Serge Batalov06/2022
9755(6718^25633-1)/671798100Serge Batalov06/2022
97562^325866+1598096Lelio R Paula12/2012
975722591^21952+21952^2259198079Hans Havermann02/2020
97582^325765+197430598066Enzo Doria06/2016
97592^325733-5869598056Lelio R Paula07/2016
9760(7*10^98055-529)/998055Robert Price08/2021
97612^325717-364598051Lelio R Paula07/2016
9762(2^325704+718)/298047Stefano Morozzi09/2020
9763(15679^23371-1)/1567898045Serge Batalov06/2022
9764(23342^22441-1)/2334198022Serge Batalov06/2022
976523968^12293+12293^2396898021Hans Havermann11/2019
9767(23*2^325583-1)/2198011Lelio R Paula02/2014
9766(128678^19321-1)/(128678^139-1)98011Ryan Propper11/2023
9768(7*10^98007-13)/398008Robert Price06/2016
9769(2^325544+1110)/297999Stefano Morozzi09/2020
97702^325512-45995997989Enzo Doria05/2015
9771(2^325492+682)/297983Stefano Morozzi09/2020
9772(3^205354-8)/1797978Lelio R Paula09/2013
97732^325433+7681797966Enzo Doria05/2016
97745*10^97963+8197964Robert Price08/2017
9775(9996^24649-1)/(9996^157-1)97964Ryan Propper11/2023
9776(13208^23773-1)/1320797961Serge Batalov06/2022
97772^325390-10906197953Enzo Doria04/2014
9778(55*10^97940+323)/997941Robert Price10/2021
977913^87921+2497940Lelio R Paula08/2016
978010^97930+18827797931Patrick De Geest09/2022
978210^97930-700000197930Robert Price06/2021
978110^97930-6695197930Patrick De Geest09/2022
9783961^32831-960^3283197926Jean-Louis Charton02/2011
9784(17968^23017-1)/1796797922Serge Batalov06/2022
9785(3337^27793-1)/333697922Serge Batalov06/2022
978722600^21499+21499^2260097913Hans Havermann05/2020
9786(18703^22921-1)/1870297913Serge Batalov06/2022
97882^325215+1290997900Lelio R Paula07/2016
978922619^21286+21286^2261997898Hans Havermann04/2020
9790(126852^19321-1)/(126852^139-1)97892Ryan Propper11/2023
9791(85*10^97876-49)/997877Robert Price12/2020
97927*10^97874-6997875Robert Price01/2017
97935*10^97869-6397870Robert Price04/2021
9794(643*32^65022-23)/3197870Eric Chen04/2023
9796(17^79537+5^79537)/2297865Robert Price06/2013
979515^83212+2297865Lelio R Paula08/2016
97972^325087-10905797861Enzo Doria04/2014
97982^325074+187065797858Enzo Doria05/2016
98002^325066-211197855Yves Minet08/2013
9799CopelandErdos(97855)97855Eric W. Weisstein10/2015
9801(8694^24841-1)/869397851Serge Batalov06/2022
9802(21159^22621-1)/2115897843Serge Batalov06/2022
980326660^4677+4677^2666097842Hans Havermann12/2019
980418^77944-8997841Lelio R Paula07/2016
9805119^47136+11897833Norbert Schneider09/2018
98066^125720-1766397830Enzo Doria02/2013
9807(73640^20101-1)/7363997829Serge Batalov06/2022
98082^324972-206997827Yves Minet05/2013
98092^324958-469197823Yves Minet05/2019
9810(8087^25033-1)/808697820Serge Batalov06/2022
98112^324944-278831997818Enzo Doria03/2016
981322845^19112+19112^2284597807Hans Havermann10/2019
9812(317^39107-1)/31697807Anonymous04/2024
9814(2^324898+1270)/297804Stefano Morozzi09/2020
98164*10^97799-997800Erik Branger11/2013
98152^324882+57729457597800Lelio R Paula09/2016
98172^324863-186792197794Enzo Doria04/2016
98186^125662-1847397785Enzo Doria03/2013
981912^90604+1197779Lelio R Paula07/2016
9820(29*10^97751+49)/397752Robert Price09/2021
9821(37108^21391-1)/3710797741Serge Batalov06/2022
98225^139830+2497737Lelio R Paula04/2016
9823(2^324672+1198)/297736Stefano Morozzi09/2020
9824(101*10^97724+7)/997726Robert Price02/2022
98252^324612+115597718Lelio R Paula07/2016
9826(2^324597+3542)/297714Stefano Morozzi09/2020
982719^76404-4497702Lelio R Paula07/2016
9828(5939^25889-1)/593897694Serge Batalov06/2022
98302^324505-298397686Yves Minet04/2011
9829(7740^25121-1)/773997686Serge Batalov06/2022
9831(144^45259+1)/14597684Paul Bourdelais08/2019
9832(31*2^324496-1)/4597683Lelio R Paula02/2014
9833(11234^24109-1)/1123397651Serge Batalov06/2022
98346^125488-1784397649Enzo Doria02/2013
9835(2^324350+3198)/297639Stefano Morozzi09/2020
9836(75638^20011-1)/7563797624Serge Batalov06/2022
98377^115515-297622Lelio R Paula09/2013
9838(15672^23269-1)/1567197613Serge Batalov06/2022
9839(89^50069-1)/8897603Paul Bourdelais08/2017
98406^125418-597595Lelio R Paula11/2014
9841(2^324193+3522)/297592Stefano Morozzi09/2020
9842(2422^28837-1)/242197587Serge Batalov06/2022
9843(2^324172+666)/297586Stefano Morozzi09/2020
98442^324091+11154643597562Paul Bourdelais10/2021
98452^324076+115597557Lelio R Paula07/2016
9846(2^324074+9)/1397555Lelio R Paula10/2013
9847(11*10^97539-71)/397540Robert Price04/2022
9848(55459*2^323993+1)/2197536Lelio R Paula07/2014
984913^87557-12^8755797534Jean-Louis Charton12/2008
98502^323946+7393997518Enzo Doria04/2016
98512^323937+186694797515Enzo Doria03/2016
9852(98339^19531-1)/9833897508Serge Batalov06/2022
98546^125290-1853397495Enzo Doria03/2013
9853(2^323870+1650)/297495Stefano Morozzi09/2020
98552^323845+10197488Lelio R Paula12/2012
985618^77662+6597487Lelio R Paula07/2016
985722634^20265+20265^2263497479Hans Havermann04/2020
9858(5533^26041-1)/553297467Serge Batalov06/2022
98592^323772+7677197466Enzo Doria05/2016
98602^323765-11221397463Enzo Doria06/2014
986122730^19389+19389^2273097457Hans Havermann02/2020
98622^323720-655597450Lelio R Paula07/2016
98632^323694-186040197442Enzo Doria03/2016
986420^74886+397429Lelio R Paula06/2016
986524476^9561+9561^2447697427Hans Havermann01/2020
9866(2^323623+1766)/297420Stefano Morozzi09/2020
9867(3250^27739-1)/324997413Serge Batalov06/2022
98693*10^97399+7397400Robert Price04/2016
98687^115252-5097400Lelio R Paula07/2016
9870(4715^26513-1)/471497392Serge Batalov06/2022
98712^323521+21331797390Enzo Doria09/2023
9872224737#+39358197389Nicolas PALAU12/2016
9873(119374^19321-1)/(119374^139-1)97386Ryan Propper11/2023
9874(2^323468+3186)/297374Stefano Morozzi09/2020
9875(2^323456+538)/297370Stefano Morozzi09/2020
987623277^15236+15236^2327797365Hans Havermann07/2020
9878(26*10^97353+31)/397354Robert Price07/2016
9877(2^323403+3510)/297354Stefano Morozzi09/2020
987923756^12519+12519^2375697342Hans Havermann07/2020
988010^97335+27164197336Patrick De Geest09/2022
988210^97335-400000197335Robert Price07/2021
988110^97335-9819397335Patrick De Geest09/2022
9883(637*10^97331+11)/997333Robert Price10/2021
988423991^11402+11402^2399197332Hans Havermann07/2020
988561^54517-60^5451797331Jean-Louis Charton09/2005
9886(38*10^97329+187)/997330Robert Price11/2017
9887(31147^21661-1)/3114697328Serge Batalov06/2022
988886455!4+897319Robert Price09/2019
988922591^20310+20310^2259197316Hans Havermann06/2020
98902^323261-43117397312Harrison Mesh06/2022
9891(3996^27017-1)/399597302Serge Batalov06/2022
989225101^7520+7520^2510197297Hans Havermann05/2020
9893(233*10^97294+7)/397296Robert Price03/2022
9894p(19982)#/2-102497293Robert Price09/2017
9895(65*10^97288+277)/997289Robert Price08/2021
98966^125021-8597286Lelio R Paula08/2016
98972^323164-4735597283Lelio R Paula07/2016
9898(3^203902+4)/3605101515797276Lelio R Paula09/2013
98992^323054-655597249Lelio R Paula07/2016
990022822^18247+18247^2282297249Hans Havermann02/2020
99019*10^97247-2997248Robert Price05/2017
990224382^9735+9735^2438297244Hans Havermann02/2020
9903(31*10^97242+41)/997243Robert Price04/2015
9904GoldenRatioPrime[97241]97241Eric W. Weisstein06/2009
990512^90098-4197233Lelio R Paula07/2016
99062^322928-21692997212Enzo Doria05/2014
9907(16731^23017-1)/1673097209Serge Batalov06/2022
99083*10^97205-6197206Robert Price04/2021
9909(7*2^322896-1)/5797201Lelio R Paula02/2014
9910(35*10^97194-341)/997195Robert Price08/2021
9911(4872^26357-1)/487197194Serge Batalov06/2022
9912(2^322897+5)/314610748997193Lelio R Paula10/2013
9913(796*10^97183-31)/997185Robert Price07/2022
9914(2^322789+2214)/297169Stefano Morozzi09/2020
99152^322725+7576197150Enzo Doria04/2016
9916(13*2^322686+1)/11997138Lelio R Paula11/2013
9917(2175^29101-1)/217497121Serge Batalov06/2022
991822402^21639+21639^2240297118Hans Havermann07/2020
991923399^14128+14128^2339997108Hans Havermann06/2020
9920(2892^28057-1)/289197108Serge Batalov06/2022
9921(9578^24391-1)/957797104Serge Batalov06/2022
9922(2^322525+2606)/297090Stefano Morozzi09/2020
9923(9563^24391-1)/956297087Serge Batalov06/2022
9924(41*10^97085+373)/997086Robert Price04/2017
9925(2^322473+854)/297074Stefano Morozzi02/2021
99262^322413+7797056Lelio R Paula12/2012
99272^322406+17797054Lelio R Paula12/2012
9928(349^38167-1)/34897050Serge Batalov06/2022
9929(14*10^97044+31)/997045Robert Price02/2015
99302^322302+25525597023Lelio R Paula07/2016
99312^322286+21265997018Enzo Doria09/2023
9932(1302^31147-1)/130197008Serge Batalov06/2022
99332^322196-11309396991Enzo Doria07/2014
9934(2^322169+2690)/296983Stefano Morozzi09/2020
9935(49*10^96980+221)/996981Robert Price02/2022
99369*10^96968-4796969Robert Price11/2021
9937(5895^25717-1)/589496962Serge Batalov06/2022
9938(27473^21841-1)/2747296946Serge Batalov06/2022
993923109^15668+15668^2310996943Hans Havermann07/2020
99402^322000-186146996932Enzo Doria03/2016
99412^321971-11274796923Enzo Doria06/2014
994223754^12023+12023^2375496917Hans Havermann07/2020
994311^93062-9296915Lelio R Paula06/2016
9944(37871^21169-1)/3787096914Serge Batalov06/2022
9945(2^321922+2214)/296908Stefano Morozzi09/2020
9946(2^321900+2086)/296902Stefano Morozzi09/2020
9947(11*2^321841-7)/1596884Renaud Lifchitz03/2011
99483^203051+3496880Lelio R Paula05/2016
99492*10^96867-5196868Robert Price11/2017
9950(2^321779+2618)/296865Stefano Morozzi09/2020
9951(64*10^96863-1)/2796864Serge Batalov05/2010
99522^321716-278693996847Enzo Doria03/2016
995322496^20181+20181^2249696844Hans Havermann03/2020
99542^321701-11305396842Enzo Doria07/2014
99552^321700-2863596842Lelio R Paula06/2016
9956(5*2^321691-1)/2796838Lelio R Paula02/2014
99576*10^96835+1396836Robert Price10/2021
99586^124433-12443396828Robert Price01/2014
99592^321631+6996821Lelio R Paula12/2012
9960(27109^21841-1)/2710896820Serge Batalov06/2022
9961(13*2^321606+1)/11996813Lelio R Paula11/2013
9962(5052^26141-1)/505196809Serge Batalov06/2022
9963(46*10^96798-1)/996799Serge Batalov10/2014
9964(59*10^96798+31)/996799Robert Price09/2015
9965(2^321536+2062)/296792Stefano Morozzi09/2020
9966223319#+23122396790Makoto Morimoto02/2016
99672^321519-2863596787Lelio R Paula06/2016
99682^321487-186723796778Enzo Doria03/2016
99692^321461-6396770Lelio R Paula12/2012
9970(16053^23011-1)/1605296770Serge Batalov06/2022
99712^321439+12396763Lelio R Paula12/2012
99722^321434+70996762Lelio R Paula02/2013
99732^321419+2270396757Enzo Doria09/2023
9974(2^321415+554)/296756Stefano Morozzi09/2020
997514^84413+8996749Lelio R Paula07/2016
9976(28*10^96743+71)/996744Serge Batalov12/2008
997713^86847+9696743Lelio R Paula06/2016
99789*2^321336-796733Lelio R Paula08/2014
9979(209*10^96722-17)/396724Robert Price05/2017
9980(54163^20431-1)/5416296710Serge Batalov06/2022
99812^321237-461596702Yves Minet05/2019
9982(27273^21799-1)/2727296691Serge Batalov06/2022
99832^321187-115996687Yves Minet11/2012
99842^321182-185008196686Enzo Doria08/2015
998623359^13768+13768^2335996680Hans Havermann06/2020
9985(65630^20071-1)/6562996680Serge Batalov06/2022
99872^321116-11282996666Enzo Doria06/2014
99882^321108-10949996664Enzo Doria04/2014
99892^321098+279385996661Enzo Doria03/2016
9990(2^321100+1170)/296661Stefano Morozzi09/2020
99912^321057+409796648Lelio R Paula06/2016
9992(4435*29^66081-4)/796640Curtis Bright05/2015
999322743^17750+17750^2274396640Hans Havermann04/2020
999422882^16679+16679^2288296612Hans Havermann02/2020
999523452^13163+13163^2345296608Hans Havermann02/2020
9996(1042^32009-1)/104196596Serge Batalov06/2022
9997(85*10^96594-373)/996595Robert Price05/2021
9998(2^320863+666)/296590Stefano Morozzi09/2020
9999p(19849)#/2-6496581Robert Price04/2017
100002^320817+18996576Lelio R Paula12/2012


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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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