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 ?
70012^358538+55107931Lelio R Paula12/2011
70022^358517-109009107925Enzo Doria03/2014
700326395^12258+12258^26395107914Hans Havermann10/2020
70043^226159+104107906Lelio R Paula03/2017
70057*10^107870+39107871Robert Price01/2023
70062^358310-11655107863Lelio R Paula03/2017
7007(68*10^107852-329)/9107853Robert Price03/2021
70082^358275-112987107852Enzo Doria07/2014
70093^226038+4107848Tyler NeSmith01/2021
70102^358233-20005107839Enzo Doria06/2013
70112^358194+175107828Lelio R Paula12/2011
7012107^53125-106107812Norbert Schneider12/2016
7013(25*10^107804+161)/3107805Robert Price09/2019
70143^225922-2107793Lelio R Paula10/2013
701512^99874-95107783Lelio R Paula03/2017
7016(2^358042+3042)/2107782Stefano Morozzi09/2020
70172^358030-171107778Lelio R Paula12/2011
701811^103488-4170107772Enzo Doria12/2012
70192^357930-4547107748Yves Minet03/2019
70202^357911-20089107742Enzo Doria06/2013
70212^357885+12857107735Yves Minet07/2010
7022(248587#+9289)/(7*1327*111512899)107733Makoto Morimoto06/2019
70237^127473+40107728Lelio R Paula03/2017
70245*2^357850+9107725Lelio R Paula09/2014
70252^357786-291191107705Enzo Doria06/2015
702628907^5320+5320^28907107705Hans Havermann10/2020
702718^85798-23107700Lelio R Paula04/2017
70283*10^107697+61107698Robert Price09/2020
7029(14*10^107694-83)/3107695Robert Price12/2018
70302^357688-1854269107675Enzo Doria09/2015
70312^357671-112225107670Enzo Doria06/2014
703234323^1370+1370^34323107662Hans Havermann11/2020
70332^357618-21005107654Enzo Doria06/2013
70342^357615-17505107653Enzo Doria05/2013
703526350^12171+12171^26350107649Hans Havermann11/2020
7036(30^72871-1)/29107638Robert Price12/2011
703725021^20026+20026^25021107631Hans Havermann11/2020
70382^357521+1870217107625Enzo Doria05/2016
70392^357477-1203107612Lelio R Paula03/2017
704026008^13693+13693^26008107583Hans Havermann10/2020
704125432^16991+16991^25432107583Hans Havermann10/2020
7042(2^357371+3726)/2107580Stefano Morozzi09/2020
70435^153894-18107568Lelio R Paula02/2017
70442^357324-69059107566Enzo Doria11/2015
7045467^40296+40296^467107563Norbert Schneider03/2019
704629446^4495+4495^29446107559Hans Havermann10/2020
7047(8*10^107556-149)/3107557Robert Price12/2021
70482^357283-869688105107553Lelio R Paula01/2017
70492^357280-16805107552Enzo Doria05/2013
705010^107547+481719107548Patrick De Geest03/2017
705110^107547-47107547Lelio R Paula02/2017
7052(23*10^107540+37)/3107541Robert Price02/2022
705317^87396-32107537Lelio R Paula04/2017
7054(746*10^107505+1)/9107507Robert Price03/2020
7055(2^357125+1730)/2107506Stefano Morozzi09/2020
70562^357081+107107493Lelio R Paula12/2011
70572^357058-3911107486Yves Minet04/2017
70583^225274+64107484Lelio R Paula03/2017
70595*10^107482-57107483Robert Price03/2021
706018^85619-95107476Lelio R Paula04/2017
7061(2^357013+2526)/2107472Stefano Morozzi09/2020
70623^225248-130107471Lelio R Paula03/2017
7063(5*2^356961+1)/143107455Lelio R Paula03/2014
706427029^9448+9448^27029107450Hans Havermann11/2020
70652^356935-18085107449Enzo Doria05/2013
706655396^87+87^55396107442Hans Havermann10/2020
7067(14*10^107439-137)/3107440Robert Price04/2021
7068164^48505-48505^164107432Norman Luhn09/2024
706910^107409+37107410Lelio R Paula02/2017
707010^107409-329633107409Patrick De Geest03/2017
7071(2^356799+3134)/2107407Stefano Morozzi09/2020
70722^356787-109027107404Enzo Doria04/2014
7073(2^356767+78557)/5107397Lelio R Paula12/2013
70743*10^107389+77107390Robert Price09/2018
7075(11*10^107385+61)/9107386Tyler Busby01/2023
70765^153622-42107378Lelio R Paula02/2017
70772^356699-97305107378Lelio R Paula03/2017
707813129^26072-26072^13129107371Norbert Schneider09/2022
70792^356654+85107364Lelio R Paula11/2011
70802^356641-19921107360Enzo Doria06/2013
70815*10^107355+11107356Robert Price08/2019
70822^356623-465107355Lelio R Paula03/2017
708319^83945-92107345Lelio R Paula02/2017
708425491^16246+16246^25491107337Hans Havermann11/2020
708510^107334+28149107335Patrick De Geest03/2017
708610^107334-83107334Lelio R Paula02/2017
70872^356518+885107323Lelio R Paula03/2017
7088(59*10^107322+391)/9107323Robert Price03/2021
7089(3*2^356506-1)/467107317Lelio R Paula03/2014
7090(2^356468+1162)/2107308Stefano Morozzi09/2020
70912^356442-114713107300Enzo Doria04/2015
70922^356425+72257107295Enzo Doria04/2016
70932^356351-112237107273Enzo Doria06/2014
7095(6^137845-11)/5107264Paul Bourdelais11/2011
70942^356322+74539107264Enzo Doria04/2016
70962^356274+1874479107250Enzo Doria06/2016
709724606^22819+22819^24606107241Hans Havermann10/2020
7098(2^356243+3686)/2107240Stefano Morozzi09/2020
709920^82422-93107234Lelio R Paula02/2017
71002^356157-20365107214Enzo Doria06/2013
71018*10^107209+99107210Robert Price03/2021
71022^356129-18949107206Enzo Doria05/2013
71032^356100-109587107197Enzo Doria04/2014
71042*10^107173-37107174Robert Price11/2021
7105(2^355978+3262)/2107160Stefano Morozzi02/2021
7106(31*2^355970+1)/5107159Lelio R Paula03/2014
71072^355968-64875107158Lelio R Paula01/2017
71082^355952+1870321107153Enzo Doria05/2016
710927069^9088+9088^27069107152Hans Havermann11/2020
71102^355915-117107142Lelio R Paula11/2011
7111(16*10^107140+77)/3107141Robert Price03/2019
711224628^22369+22369^24628107124Hans Havermann11/2020
7113(19*2^355838-1)/15107119Lelio R Paula03/2014
71143^224495-8107112Lelio R Paula12/2013
71153*10^107096+23107097Robert Price03/2022
711625077^18632+18632^25077107086Hans Havermann10/2020
71177^126691-44107067Lelio R Paula03/2017
71184^177830-8243107065Mike Oakes02/2011
7119(509*10^107057+13)/9107059Robert Price05/2022
71202^355604+214051107048Enzo Doria10/2023
7121(2^355562+1702)/2107035Stefano Morozzi09/2020
712210^107028+3593037107029Paul Bourdelais10/2021
712310^107028-43301107028Alfred Reich08/2024
71242^355524-21237107024Enzo Doria06/2013
7126(10223*2^355515+1)/4855107022Lelio R Paula07/2014
712524843^20320+20320^24843107022Hans Havermann10/2020
71272^355494-19901107015Enzo Doria06/2013
71282^355454-869688105107003Lelio R Paula01/2017
71294*10^106997+13106998Robert Price02/2021
7130(8*10^106985-629)/9106985Robert Price01/2022
71312^355366+54615106976Lelio R Paula01/2017
7132(31*2^355346-1)/1563106969Lelio R Paula03/2014
71332^355275-19861106949Enzo Doria06/2013
713427503^7738+7738^27503106949Hans Havermann11/2020
7135(85*10^106943+77)/9106944Robert Price07/2022
7136(9179*2^355234-1)/1915106937Lelio R Paula05/2015
71374*10^106914-93106915Robert Price07/2020
71384*10^106892-3106893Robert Price10/2015
7139(66^58741+1)/67106881Paul Bourdelais08/2017
71402^355001+335931106866Enzo Doria08/2024
71412^354946-3106850M. Frind & P. Underwood08/2002
7142(2^354945+3134)/2106849Stefano Morozzi09/2020
7143(46^64384+1)/(46^128+1)106843Martin Hopf12/2023
71442^354873-18693106828Enzo Doria05/2013
7145(2^354831+3186)/2106815Stefano Morozzi09/2020
71472^354828+4257106814Lelio R Paula01/2017
714625216^17217+17217^25216106814Hans Havermann10/2020
7148(2^354799+1218)/2106805Stefano Morozzi09/2020
7149436^40459+40459^436106791Norbert Schneider03/2019
7150(21^80761+1)/22106783Paul Bourdelais03/2010
7151(115*10^106772-7)/9106774Robert Price02/2020
71522^354640-354640+1106758Robert Price10/2014
7153(2^354603+2606)/2106746Stefano Morozzi09/2020
71542^354585+95106741Lelio R Paula10/2011
7155(206*10^106737+1)/9106739Robert Price04/2022
71562^354553+189106732Lelio R Paula10/2011
7158(2^354546+1338)/2106729Stefano Morozzi02/2021
7157(8*10^106729-71)/9106729Serge Batalov11/2022
71592^354514-109031106720Enzo Doria04/2014
71602^354509-109465106718Enzo Doria04/2014
7161fibonacci(510628)+2106715Jon Grantham08/2023
7162(15*2^354478-1)/26983106706Lelio R Paula03/2014
7163Phi(217618,10)/899798636917106693Makoto Kamada06/2019
716415^90710+28106684Lelio R Paula04/2017
71657^126237+34106683Lelio R Paula03/2017
71662^354385-115315106681Enzo Doria06/2015
71672^354327-19305106664Enzo Doria06/2013
7168(35*10^106649+1)/9106650Serge Batalov11/2010
716910^106636+97106637Lelio R Paula02/2017
717010^106636-22923106636Patrick De Geest03/2017
71712^354220-57106631Lelio R Paula10/2011
7172(68*10^106628-329)/9106629Robert Price03/2021
7173(29*10^106620-77)/3106621Robert Price02/2020
7174(746*10^106618+1)/9106620Robert Price03/2020
71752*10^106613+29106614Robert Price02/2021
71762^354157-17041106612Enzo Doria05/2013
717712^98778+73106600Lelio R Paula02/2017
717833333^1576+1576^33333106585Hans Havermann11/2020
71792^354064+1870651106584Enzo Doria05/2016
718024568^21779+21779^24568106577Hans Havermann11/2020
71812^353992-57106563Lelio R Paula10/2011
71829*10^106559+59106560Robert Price01/2020
71837*10^106553+27106554Robert Price11/2020
718428847^4938+4938^28847106548Hans Havermann10/2020
7185NSW(139160)106535Robert Price12/2018
7186f(278321)106535Robert Price07/2023
7187(7*10^106516+113)/3106517Robert Price02/2018
71882^353832-1853849106515Enzo Doria09/2015
7189(7^126037-1)/6106513Paul Bourdelais09/2008
71902^353794-18453106503Enzo Doria05/2013
7191(2^353761+2094)/2106493Stefano Morozzi09/2020
71922^353728+7695106483Lelio R Paula01/2017
719326476^10509+10509^26476106475Hans Havermann10/2020
71942^353672-303106466Yves Minet02/2012
71956^136811+101106460Lelio R Paula02/2017
71962^353641+1871981106457Enzo Doria05/2016
7197(8*10^106454-29)/3106455Robert Price07/2018
719827845^6654+6654^27845106454Hans Havermann11/2020
719910^106449-700001106449Robert Price08/2021
720025316^16017+16017^25316106444Hans Havermann11/2020
72012^353553+54615106431Lelio R Paula01/2017
72022^353544-18897106428Enzo Doria05/2013
720328894^4823+4823^28894106426Hans Havermann11/2020
7204(19*10^106422+29)/3106423Robert Price12/2021
7205(694*10^106418+53)/9106420Robert Price02/2022
72066*10^106412-13106413Robert Price07/2022
720725696^13829+13829^25696106402Hans Havermann11/2020
72086^136729-133106396Lelio R Paula02/2017
72092^353418+1605106390Lelio R Paula01/2017
72102^353387+65106381Lelio R Paula10/2011
72112^353372+74311106376Enzo Doria04/2016
72122^353344-3693106368Yves Minet03/2017
7213(772*10^106365-7)/9106367Robert Price06/2022
7214(56*10^106351+619)/9106352Robert Price05/2021
72152^353277-20089106347Enzo Doria06/2013
72162^353275+72173106347Enzo Doria04/2016
72172^353268-17705106345Enzo Doria05/2013
72182^353267-19857106344Enzo Doria06/2013
7219(46*10^106343+143)/9106344Robert Price01/2019
7220(2^353189+3054)/2106321Stefano Morozzi09/2020
722135087^1072+1072^35087106321Hans Havermann10/2020
7222(2^353184+1290)/2106319Stefano Morozzi01/2021
7223F(508799)/24738824977/1990778864897106310Serge Batalov07/2024
722426985^8684+8684^26985106287Hans Havermann10/2020
7225(2^353051+606)/2106279Stefano Morozzi09/2020
7227222748^3+3^222748106278Anatoly F. Selevich12/2010
7226(46*10^106277+107)/9106278Robert Price06/2022
7228(9179*2^353019-1)/9106273Lelio R Paula05/2015
72292^353025+72257106272Enzo Doria04/2016
72322^352932-20345106244Enzo Doria06/2013
7230(2^353011-3)/745325861246794515484535106244Lelio R Paula12/2013
723125628^13983+13983^25628106244Hans Havermann10/2020
72332^352883-187106229Lelio R Paula10/2011
723420^81649-19^81649106228Jean-Louis Charton03/2011
7235(55*10^106222+377)/9106223Robert Price02/2019
72362^352814-131106208Lelio R Paula10/2011
72372^352752+73951106189Enzo Doria04/2016
723811876*25^75945+357106171Eric Chen10/2023
72396^136434+5106167Lelio R Paula11/2014
724025296^15737+15737^25296106166Hans Havermann09/2020
72418*10^106157-13106158Robert Price08/2019
72422^352641+225677106156Enzo Doria08/2024
72437*5^151872-8106155Lelio R Paula11/2014
7244105^52520-2106153Lelio R Paula10/2017
7245(23*10^106152-29)/3106153Robert Price03/2022
72462^352601-1604809106144Enzo Doria05/2015
724712^98353-43106141Lelio R Paula02/2017
72482^352585-18901106139Enzo Doria05/2013
724926363^10614+10614^26363106135Hans Havermann09/2020
7250(2^352554-3)/193106128Lelio R Paula12/2013


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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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