PRP Records

Probable Primes Top 10000

(301352 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 ?
70012^360706-458903108584Enzo Doria04/2015
700231112^3087+3087^31112108567Hans Havermann11/2020
70032^360641-113185108564Enzo Doria07/2014
7004(29*10^108559-71)/3108560Robert Price07/2021
70062^360618+75019108557Enzo Doria04/2016
70052^360618+2025108557Henri Lifchitz01/2025
70072^360607-216367108554Harrison Mesh06/2022
7008(14*10^108545-221)/9108546Robert Price04/2018
7009(44*10^108544-233)/9108545Robert Price01/2019
70103*5^155286+2108541Lelio R Paula11/2014
70117^128422+4108530Lelio R Paula11/2014
70127^128421-80108529Lelio R Paula03/2017
70132^360497+53807108521Yves Minet07/2010
70142^360468-4559108512Yves Minet03/2019
7015(2^360451+578)/2108507Stefano Morozzi09/2020
70162^360366+1459108481Lelio R Paula09/2011
70172^360364-1499108481Yves Minet05/2013
701825662^16871+16871^25662108477Hans Havermann10/2020
701925009^21748+21748^25009108475Hans Havermann10/2020
702014^94642-23108472Lelio R Paula05/2017
7021(197*10^108446-11)/3108448Robert Price03/2020
7022(2^360229+1290)/2108440Stefano Morozzi01/2021
70234*10^108412+9108413Robert Price05/2015
7024(259*10^108409-1)/3108411Robert Price12/2020
7025(2^360122+1194)/2108408Stefano Morozzi09/2020
7026133^51042-132108406Norbert Schneider02/2019
70272^360093-351103108399Enzo Doria06/2015
70282^360042+723108384Lelio R Paula01/2012
702985^56164-2108364Lelio R Paula10/2013
70302^359937-29323108352Enzo Doria07/2015
703122^80712-23108350Anonymous09/2024
7032(2^359922+1762)/2108348Stefano Morozzi09/2020
7033(2^359903+758)/2108342Stefano Morozzi09/2020
70342^359898-19997108341Enzo Doria06/2013
7035(2^359886+2122)/2108337Stefano Morozzi09/2020
70362*5^154948-7108305Lelio R Paula11/2014
703710^108303+13108304Lelio R Paula02/2017
703810^108303-207959108303Patrick De Geest03/2017
70397*10^108300+69108301Robert Price07/2019
7040198^47155-47155^198108300Norman Luhn09/2024
70412^359730+753108290Lelio R Paula12/2011
7042(8*10^108273+13)/3108274Robert Price06/2018
70432^359650-19797108266Enzo Doria06/2013
7044(47*10^108261+259)/9108262Robert Price03/2022
704591^55259-90^55259108255Robert Price07/2015
704610^108251+85749108252Patrick De Geest02/2021
704710^108251-50000000001108251Robert Price12/2020
704810^108251-252081108251Patrick De Geest02/2021
70494*10^108238-71108239Robert Price12/2018
70503^226845+68108233Lelio R Paula03/2017
705131836^2509+2509^31836108227Hans Havermann10/2020
70525^154822-12866108216Enzo Doria05/2014
7053(9*2^359480+1)/5108215Lelio R Paula03/2014
70542^359454-177108207Lelio R Paula12/2011
7055(19*10^108184+191)/3108185Robert Price05/2019
70566^139022-59108181Lelio R Paula02/2017
7057(19*10^108176-43)/3108177Robert Price05/2019
70582^359352-179108176Lelio R Paula12/2011
70592^359338-1858781108172Enzo Doria04/2016
706012^100230-97108167Lelio R Paula03/2017
706127028^10043+10043^27028108163Hans Havermann11/2020
7062(25*2^359297-1)/137108159Lelio R Paula03/2014
7063(2^359262-509203)/9108148Lelio R Paula12/2013
706426583^11702+11702^26583108147Hans Havermann11/2020
7065(3^226648-8)/352715633108131Lelio R Paula12/2013
70666^138956-59108129Lelio R Paula02/2017
70672^359184+30285108126Lelio R Paula04/2017
706813^97059+10108119Lelio R Paula03/2017
70692^359137-81108112Lelio R Paula12/2011
7071(15185*2^359105-1)/567108103Lelio R Paula05/2015
70702^359110-11655108103Lelio R Paula04/2017
70722^359069-933075108091Paul Bourdelais06/2021
707326227^13222+13222^26227108090Hans Havermann10/2020
70748*6^138875+5108067Lelio R Paula11/2014
70752^358987-216919108066Enzo Doria05/2014
7076(2^358977+2714)/2108063Stefano Morozzi09/2020
707739^67918-67918^39108062Norbert Schneider02/2017
707824^78283-1*78283^24108048Dylan Delgado12/2019
707925282^18767+18767^25282108040Hans Havermann11/2020
70802^358785-16933108006Enzo Doria05/2013
7081(2^358783+5)/33383108000Lelio R Paula12/2013
70826^138770-77107985Lelio R Paula02/2017
7083(2^358727-1017)/94178479107980Lelio R Paula12/2013
708410^107976+19107977Lelio R Paula02/2017
708510^107976-202103107976Patrick De Geest03/2017
70862^358684+75781107975Enzo Doria04/2016
708724928^21411+21411^24928107955Hans Havermann10/2020
708899^54094+2107952Lelio R Paula06/2013
7089(2^358583-9)/391107942Lelio R Paula12/2013
7090(2^358562+838)/2107938Stefano Morozzi02/2021
70912^358538+55107931Lelio R Paula12/2011
70922^358517-109009107925Enzo Doria03/2014
709326395^12258+12258^26395107914Hans Havermann10/2020
70943^226159+104107906Lelio R Paula03/2017
70957*10^107870+39107871Robert Price01/2023
70962^358310-11655107863Lelio R Paula03/2017
7097(68*10^107852-329)/9107853Robert Price03/2021
70982^358275-112987107852Enzo Doria07/2014
70993^226038+4107848Tyler NeSmith01/2021
71002^358233-20005107839Enzo Doria06/2013
71012^358194+175107828Lelio R Paula12/2011
7102107^53125-106107812Norbert Schneider12/2016
7103(25*10^107804+161)/3107805Robert Price09/2019
71043^225922-2107793Lelio R Paula10/2013
710512^99874-95107783Lelio R Paula03/2017
7106(2^358042+3042)/2107782Stefano Morozzi09/2020
71072^358030-171107778Lelio R Paula12/2011
710811^103488-4170107772Enzo Doria12/2012
71092^357930-4547107748Yves Minet03/2019
71102^357911-20089107742Enzo Doria06/2013
71112^357885+12857107735Yves Minet07/2010
7112(248587#+9289)/(7*1327*111512899)107733Makoto Morimoto06/2019
71137^127473+40107728Lelio R Paula03/2017
71145*2^357850+9107725Lelio R Paula09/2014
71152^357786-291191107705Enzo Doria06/2015
711628907^5320+5320^28907107705Hans Havermann10/2020
711718^85798-23107700Lelio R Paula04/2017
71183*10^107697+61107698Robert Price09/2020
7119(14*10^107694-83)/3107695Robert Price12/2018
71202^357688-1854269107675Enzo Doria09/2015
71212^357671-112225107670Enzo Doria06/2014
712234323^1370+1370^34323107662Hans Havermann11/2020
71232^357618-21005107654Enzo Doria06/2013
71242^357615-17505107653Enzo Doria05/2013
712526350^12171+12171^26350107649Hans Havermann11/2020
7126(30^72871-1)/29107638Robert Price12/2011
712725021^20026+20026^25021107631Hans Havermann11/2020
71282^357521+1870217107625Enzo Doria05/2016
71292^357477-1203107612Lelio R Paula03/2017
713026008^13693+13693^26008107583Hans Havermann10/2020
713125432^16991+16991^25432107583Hans Havermann10/2020
7132(2^357371+3726)/2107580Stefano Morozzi09/2020
71335^153894-18107568Lelio R Paula02/2017
71342^357324-69059107566Enzo Doria11/2015
7135467^40296+40296^467107563Norbert Schneider03/2019
713629446^4495+4495^29446107559Hans Havermann10/2020
7137(8*10^107556-149)/3107557Robert Price12/2021
71382^357283-869688105107553Lelio R Paula01/2017
71392^357280-16805107552Enzo Doria05/2013
714010^107547+481719107548Patrick De Geest03/2017
714110^107547-47107547Lelio R Paula02/2017
7142(23*10^107540+37)/3107541Robert Price02/2022
714317^87396-32107537Lelio R Paula04/2017
7144(746*10^107505+1)/9107507Robert Price03/2020
7145(2^357125+1730)/2107506Stefano Morozzi09/2020
71462^357081+107107493Lelio R Paula12/2011
71472^357058-3911107486Yves Minet04/2017
71483^225274+64107484Lelio R Paula03/2017
71495*10^107482-57107483Robert Price03/2021
715018^85619-95107476Lelio R Paula04/2017
7151(2^357013+2526)/2107472Stefano Morozzi09/2020
71523^225248-130107471Lelio R Paula03/2017
7153(5*2^356961+1)/143107455Lelio R Paula03/2014
715427029^9448+9448^27029107450Hans Havermann11/2020
71552^356935-18085107449Enzo Doria05/2013
715655396^87+87^55396107442Hans Havermann10/2020
7157(14*10^107439-137)/3107440Robert Price04/2021
7158164^48505-48505^164107432Norman Luhn09/2024
715910^107409+37107410Lelio R Paula02/2017
716010^107409-329633107409Patrick De Geest03/2017
7161(2^356799+3134)/2107407Stefano Morozzi09/2020
71622^356787-109027107404Enzo Doria04/2014
7163(2^356767+78557)/5107397Lelio R Paula12/2013
71643*10^107389+77107390Robert Price09/2018
7165(11*10^107385+61)/9107386Tyler Busby01/2023
71665^153622-42107378Lelio R Paula02/2017
71672^356699-97305107378Lelio R Paula03/2017
716813129^26072-26072^13129107371Norbert Schneider09/2022
71692^356654+85107364Lelio R Paula11/2011
71702^356641-19921107360Enzo Doria06/2013
71715*10^107355+11107356Robert Price08/2019
71722^356623-465107355Lelio R Paula03/2017
717319^83945-92107345Lelio R Paula02/2017
717425491^16246+16246^25491107337Hans Havermann11/2020
717510^107334+28149107335Patrick De Geest03/2017
717610^107334-83107334Lelio R Paula02/2017
71772^356518+885107323Lelio R Paula03/2017
7178(59*10^107322+391)/9107323Robert Price03/2021
7179(3*2^356506-1)/467107317Lelio R Paula03/2014
7180(2^356468+1162)/2107308Stefano Morozzi09/2020
71812^356442-114713107300Enzo Doria04/2015
71822^356425+72257107295Enzo Doria04/2016
71832^356351-112237107273Enzo Doria06/2014
7185(6^137845-11)/5107264Paul Bourdelais11/2011
71842^356322+74539107264Enzo Doria04/2016
71862^356274+1874479107250Enzo Doria06/2016
718724606^22819+22819^24606107241Hans Havermann10/2020
7188(2^356243+3686)/2107240Stefano Morozzi09/2020
718920^82422-93107234Lelio R Paula02/2017
71902^356157-20365107214Enzo Doria06/2013
71918*10^107209+99107210Robert Price03/2021
71922^356129-18949107206Enzo Doria05/2013
71932^356100-109587107197Enzo Doria04/2014
71942*10^107173-37107174Robert Price11/2021
7195(2^355978+3262)/2107160Stefano Morozzi02/2021
7196(31*2^355970+1)/5107159Lelio R Paula03/2014
71972^355968-64875107158Lelio R Paula01/2017
71982^355952+1870321107153Enzo Doria05/2016
719927069^9088+9088^27069107152Hans Havermann11/2020
72002^355915-117107142Lelio R Paula11/2011
7201(16*10^107140+77)/3107141Robert Price03/2019
720224628^22369+22369^24628107124Hans Havermann11/2020
7203(19*2^355838-1)/15107119Lelio R Paula03/2014
72043^224495-8107112Lelio R Paula12/2013
72053*10^107096+23107097Robert Price03/2022
720625077^18632+18632^25077107086Hans Havermann10/2020
72077^126691-44107067Lelio R Paula03/2017
72084^177830-8243107065Mike Oakes02/2011
7209(509*10^107057+13)/9107059Robert Price05/2022
72102^355604+214051107048Enzo Doria10/2023
7211(2^355562+1702)/2107035Stefano Morozzi09/2020
721210^107028+3593037107029Paul Bourdelais10/2021
721310^107028-43301107028Alfred Reich08/2024
72142^355524-21237107024Enzo Doria06/2013
7216(10223*2^355515+1)/4855107022Lelio R Paula07/2014
721524843^20320+20320^24843107022Hans Havermann10/2020
72172^355494-19901107015Enzo Doria06/2013
72182^355454-869688105107003Lelio R Paula01/2017
72194*10^106997+13106998Robert Price02/2021
7220(8*10^106985-629)/9106985Robert Price01/2022
72212^355366+54615106976Lelio R Paula01/2017
7222(31*2^355346-1)/1563106969Lelio R Paula03/2014
72232^355275-19861106949Enzo Doria06/2013
722427503^7738+7738^27503106949Hans Havermann11/2020
7225(85*10^106943+77)/9106944Robert Price07/2022
7226(9179*2^355234-1)/1915106937Lelio R Paula05/2015
72274*10^106914-93106915Robert Price07/2020
72284*10^106892-3106893Robert Price10/2015
7229(66^58741+1)/67106881Paul Bourdelais08/2017
72302^355001+335931106866Enzo Doria08/2024
72312^354946-3106850M. Frind & P. Underwood08/2002
7232(2^354945+3134)/2106849Stefano Morozzi09/2020
7233(46^64384+1)/(46^128+1)106843Martin Hopf12/2023
72342^354873-18693106828Enzo Doria05/2013
7235(2^354831+3186)/2106815Stefano Morozzi09/2020
72372^354828+4257106814Lelio R Paula01/2017
723625216^17217+17217^25216106814Hans Havermann10/2020
7238(2^354799+1218)/2106805Stefano Morozzi09/2020
7239436^40459+40459^436106791Norbert Schneider03/2019
7240(21^80761+1)/22106783Paul Bourdelais03/2010
7241(115*10^106772-7)/9106774Robert Price02/2020
72422^354640-354640+1106758Robert Price10/2014
7243(2^354603+2606)/2106746Stefano Morozzi09/2020
72442^354585+95106741Lelio R Paula10/2011
7245(206*10^106737+1)/9106739Robert Price04/2022
72462^354553+189106732Lelio R Paula10/2011
7248(2^354546+1338)/2106729Stefano Morozzi02/2021
7247(8*10^106729-71)/9106729Serge Batalov11/2022
72492^354514-109031106720Enzo Doria04/2014
72502^354509-109465106718Enzo Doria04/2014


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Created by  Henri Lifchitz & Renaud Lifchitz : October, 26 2000, last modification: April, 24 2025 12:56 (Time in France)

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