PRP Records

Probable Primes Top 10000

(302940 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 ?
80012^353344-3693106368Yves Minet03/2017
8002(772*10^106365-7)/9106367Robert Price06/2022
8003(56*10^106351+619)/9106352Robert Price05/2021
80052^353277-20089106347Enzo Doria06/2013
80042^353275+72173106347Enzo Doria04/2016
80062^353268-17705106345Enzo Doria05/2013
80072^353267-19857106344Enzo Doria06/2013
8008(46*10^106343+143)/9106344Robert Price01/2019
8010(2^353189+3054)/2106321Stefano Morozzi09/2020
800935087^1072+1072^35087106321Hans Havermann10/2020
8011(2^353184+1290)/2106319Stefano Morozzi01/2021
8012F(508799)/24738824977/1990778864897106310Serge Batalov07/2024
801326985^8684+8684^26985106287Hans Havermann10/2020
8014(2^353051+606)/2106279Stefano Morozzi09/2020
8016222748^3+3^222748106278Anatoly F. Selevich12/2010
8015(46*10^106277+107)/9106278Robert Price06/2022
8017(9179*2^353019-1)/9106273Lelio R Paula05/2015
80182^353025+72257106272Enzo Doria04/2016
80212^352932-20345106244Enzo Doria06/2013
8019(2^353011-3)/745325861246794515484535106244Lelio R Paula12/2013
802025628^13983+13983^25628106244Hans Havermann10/2020
80222^352883-187106229Lelio R Paula10/2011
802320^81649-19^81649106228Jean-Louis Charton03/2011
8024(55*10^106222+377)/9106223Robert Price02/2019
80252^352814-131106208Lelio R Paula10/2011
80262^352752+73951106189Enzo Doria04/2016
802711876*25^75945+357106171Eric Chen10/2023
80286^136434+5106167Lelio R Paula11/2014
802925296^15737+15737^25296106166Hans Havermann09/2020
80308*10^106157-13106158Robert Price08/2019
80312^352641+225677106156Enzo Doria08/2024
80327*5^151872-8106155Lelio R Paula11/2014
8033105^52520-2106153Lelio R Paula10/2017
8034(23*10^106152-29)/3106153Robert Price03/2022
80352^352601-1604809106144Enzo Doria05/2015
803612^98353-43106141Lelio R Paula02/2017
80372^352585-18901106139Enzo Doria05/2013
803826363^10614+10614^26363106135Hans Havermann09/2020
8039(2^352554-3)/193106128Lelio R Paula12/2013
80402^352540+15015106126Lelio R Paula01/2017
804125068^17119+17119^25068106125Hans Havermann09/2020
80422^352524-3149106121Yves Minet10/2014
8043(7*10^106119-67)/3106120Robert Price10/2021
80442^352486-1858781106109Enzo Doria04/2016
80452^352444+12705106097Lelio R Paula01/2017
804628561^5182+5182^28561106090Hans Havermann10/2020
8047(182*10^106083+43)/9106085Robert Price02/2020
8048(266*10^106066+1)/3106068Robert Price04/2020
8049(7*10^106066-187)/9106066Tyler Busby01/2023
80502^352228-18953106032Enzo Doria05/2013
8051(2^352223+1118)/2106030Stefano Morozzi09/2020
8052(2^352212+2250)/2106027Stefano Morozzi01/2021
8053(2^352136+2638)/2106004Stefano Morozzi09/2020
80542^352107+1872533105995Enzo Doria05/2016
8055(2^352096+2086)/2105992Stefano Morozzi09/2020
80562^352066-2591105983Yves Minet07/2014
80572^352030+715105972Lelio R Paula10/2011
80589*6^136176-5105967Lelio R Paula11/2014
805917099*2^351991+58329105965Paul Vanderveen12/2017
8060122^50789-50789^122105965Norman Luhn09/2024
806128582^5097+5097^28582105963Hans Havermann09/2020
8062155^48377+2105962Lelio R Paula08/2013
8063(23*10^105944-119)/3105945Robert Price07/2021
80642^351865+1869707105922Enzo Doria05/2016
806524974^17427+17427^24974105921Hans Havermann09/2020
806625163^16194+16194^25163105920Hans Havermann09/2020
80672^351831+23105912Lelio R Paula10/2011
8068(2^351818+3798)/2105908Stefano Morozzi02/2021
80699*2^351784-5105899Lelio R Paula09/2014
8070(2^351776+2766)/2105895Stefano Morozzi01/2021
8071(85*10^105881+203)/9105882Robert Price09/2020
80722^351671-112387105864Enzo Doria06/2014
80732^351669-109501105863Enzo Doria04/2014
80742^351644+74731105856Enzo Doria04/2016
807513^95025-42105853Lelio R Paula12/2016
80762^351599+15015105842Lelio R Paula01/2017
807719^82763+90105834Lelio R Paula01/2017
8078(205*10^105831-1)/3105833Robert Price11/2021
807926050^11551+11551^26050105832Hans Havermann09/2020
8080(9179*2^351540-1)/221105826Lelio R Paula05/2015
808120^81329-51105812Lelio R Paula01/2017
8082(5*10^105811+211)/9105811Robert Price02/2018
80832^351483+28425105807Lelio R Paula01/2017
808425231^15610+15610^25231105804Hans Havermann09/2020
808515^89960+86105802Lelio R Paula02/2017
80862^351460-17289105801Enzo Doria05/2013
808719^82735+22105798Lelio R Paula01/2017
80882^351435-109077105793Enzo Doria04/2014
80892^351393+1089105780Lelio R Paula01/2017
80902^351364+72631105772Enzo Doria04/2016
8091(2^351333+3626)/2105762Stefano Morozzi09/2020
809226818^8783+8783^26818105761Hans Havermann09/2020
80952^351305+1872467105754Enzo Doria05/2016
80943^221649+16105754Lelio R Paula11/2016
809332511^1790+1790^32511105754Hans Havermann09/2020
80968*3^221637-5105749Lelio R Paula09/2014
80972^351279-2780449105746Enzo Doria03/2016
8098(2^351263+3198)/2105741Stefano Morozzi09/2020
809915^89903-26105735Lelio R Paula02/2017
81012^351213-73105726Lelio R Paula10/2011
8100(2^351214+1210)/2105726Stefano Morozzi09/2020
81022^351192-4589105720Yves Minet07/2011
810320^81250-33105709Lelio R Paula12/2016
8104(2^351133+3530)/2105702Stefano Morozzi09/2020
8105(2^351103+534)/2105693Stefano Morozzi09/2020
81062^351076-113159105685Enzo Doria07/2014
810793^53688-2105684Lelio R Paula09/2013
81082^351060-4559105680Yves Minet07/2011
8109((10^52836-1)*10000/9+5927)*10^52836+(10^52836-1)/9105676Hans Havermann08/2019
811011^101473-750105674Enzo Doria11/2012
81113*5^151181-8105672Lelio R Paula11/2014
811215^89831-34105650Lelio R Paula02/2017
811411^101448-360105648Enzo Doria08/2012
81133*7^125011+4105648Lelio R Paula11/2014
81152^350943-113269105645Enzo Doria07/2014
81162*10^105636-91105637Robert Price04/2020
811724231^22880+22880^24231105634Hans Havermann09/2020
811835296^983+983^35296105626Hans Havermann09/2020
81192^350868-19725105622Enzo Doria06/2013
81202^350858-59291105619Enzo Doria10/2015
8121V(758484)/1516967/19720583105618Serge Batalov07/2024
81222^350851+135105617Lelio R Paula10/2011
81232^350841-741105614Lelio R Paula01/2017
81243*10^105582+77105583Robert Price09/2018
812524915^17284+17284^24915105581Hans Havermann09/2020
8126(5*10^105576-53)/3105577Robert Price09/2020
81278*10^105571+3105572Robert Price08/2015
81282^350674-78557105564Jorge Menendez03/2018
81292*5^151026-3105563Lelio R Paula11/2014
8130(2^350702+5)/34264674063105562Lelio R Paula12/2013
81316^135647-5^135647105554Jean-Louis Charton02/2009
81323^221211+236105545Lelio R Paula11/2016
8133(32*10^105530-77)/9105531Robert Price06/2018
813410^105515+33105516Lelio R Paula11/2016
813524644^19125+19125^24644105516Hans Havermann10/2020
813610^105515-41033105515Patrick De Geest12/2016
8137(29*2^350473-1)/267927105499Lelio R Paula03/2014
81382^350455-430567105498Harrison Mesh06/2022
813917^85732-72105489Lelio R Paula01/2017
8140(2^350399+3618)/2105481Stefano Morozzi09/2020
8141(2^350379+1010)/2105475Stefano Morozzi09/2020
81422^350356+24241105468Enzo Doria10/2023
814325233^15118+15118^25233105462Hans Havermann09/2020
814426261^10366+10366^26261105454Hans Havermann09/2020
81452^350307-110329105453Enzo Doria05/2014
81462^350253-20365105437Enzo Doria06/2013
8147(3*29^72089-1075)/4105423Curtis Bright05/2015
8148(2^350187+2658)/2105417Stefano Morozzi09/2020
81494*10^105415-69105416Robert Price01/2022
815021^79725-22105414Anonymous09/2024
8151(22*10^105407+179)/3105408Robert Price02/2022
81522^350139-109009105403Enzo Doria04/2014
8153(2^350129+3026)/2105400Stefano Morozzi09/2020
8154(2^350097+2070)/2105390Stefano Morozzi09/2020
81553*5^150763+4105380Lelio R Paula11/2014
815612^97643+91105375Lelio R Paula02/2017
81576*5^150744-7105367Lelio R Paula11/2014
8158(2^350018+2074)/2105366Stefano Morozzi09/2020
81594*10^105364-39105365Robert Price09/2020
8160Phi(156135,-5#)105361Henri Lifchitz12/2025
81622^349996-112169105360Enzo Doria06/2014
8161(2^349997+3702)/2105360Stefano Morozzi09/2020
8163(418*10^105343+23)/9105345Robert Price02/2020
816425490^13563+13563^25490105334Hans Havermann10/2020
8165(5^504004)%F(504004)105330Henri Lifchitz06/2025
816611^101142-1080105329Enzo Doria12/2012
8167(68*10^105320-41)/9105321Robert Price10/2013
816824800^17649+17649^24800105319Hans Havermann09/2020
81693^220712-9934105307Enzo Doria05/2014
81707*10^105296+9105297Robert Price09/2015
817189*10^105284-7105286Robert Price04/2020
81722^349739+1873373105282Enzo Doria06/2016
81737^124574+24105278Lelio R Paula11/2016
81742^349708-20957105273Enzo Doria06/2013
817534115^1218+1218^34115105267Hans Havermann09/2020
817624029^24029-24020^24020105265Henri Lifchitz09/2024
81772^349649-20469105255Enzo Doria06/2013
81782^349607-20109105243Enzo Doria06/2013
8179(85*10^105242+473)/9105243Robert Price01/2020
81802^349594-19085105239Enzo Doria05/2013
81812^349530+1874479105220Enzo Doria06/2016
8182(3^220528+8)/8081105215Lelio R Paula12/2013
8183(106*10^105199+17)/3105201Robert Price04/2021
8184(2^349452+3570)/2105196Stefano Morozzi09/2020
81853^220464-112852105189Enzo Doria07/2014
81862^349419-17349105186Enzo Doria05/2013
81872^349400-2579105180Yves Minet07/2014
81888*5^150471+3105176Lelio R Paula11/2014
8189(2^349359+2298)/2105168Stefano Morozzi02/2021
8190655^37342+37342^655105165Norbert Schneider08/2018
819113^94403+94105160Lelio R Paula12/2016
8192349315*2^349315+3105160Anonymous09/2025
81932^349301-112309105151Enzo Doria06/2014
819430291^2960+2960^30291105149Hans Havermann09/2020
8195Phi(269776,7)105144Henri Lifchitz02/2026
819627350^6981+6981^27350105132Hans Havermann09/2020
81989*2^349220+5105127Lelio R Paula09/2014
8197(2^349225+3122)/2105127Stefano Morozzi09/2020
81997*3^220317+8105119Lelio R Paula09/2014
82007^124386+88105119Lelio R Paula11/2016
8201(2^349197+570)/2105119Stefano Morozzi09/2020
82022^349171-19657105111Enzo Doria06/2013
8203(2^349115+590)/2105094Stefano Morozzi09/2020
8204(2^(6*58185+1)-5)/3105093Kevin Acres11/2013
8205(2^349111-5)/3105093Lelio R Paula12/2013
8206675^37142+37142^675105087Norbert Schneider08/2018
82072^348981-2797573105054Enzo Doria04/2016
8208(445^39667+1)/446105050Jinyuan Wang05/2024
82092^348869-6555105021Lelio R Paula01/2017
821010^105003-17319105003Alfred Reich08/2024
82115^150217+78104998Lelio R Paula11/2016
8212(88*10^104989-1)/3104991Robert Price04/2020
8213(28*10^104972+149)/3104973Robert Price12/2019
821424927^16262+16262^24927104972Hans Havermann10/2020
82152^348703-113005104971Enzo Doria06/2014
8216(191*10^104956-17)/3104958Robert Price11/2021
82172^348612-809104943Yves Minet05/2013
8218(73*10^104942-1)/9104943Robert Price01/2015
8219(29^71761-5^71761)/24104942Robert Price03/2026
82202^348583-350407104934Enzo Doria06/2015
82212^348531-949104919Yves Minet05/2012
822220^80636-59104910Lelio R Paula12/2016
82238*10^104893-13104894Robert Price08/2019
82252^348437+35104890Lelio R Paula09/2011
822425208^14487+14487^25208104890Hans Havermann09/2020
82262^348348+135104864Lelio R Paula09/2011
8227(29*10^104858+349)/9104859Robert Price06/2021
82286*10^104852-31104853Robert Price07/2020
8230(2^348284+9)/25104843Lelio R Paula12/2013
822975^55914-74104843Norbert Schneider01/2015
82312^348268+255255104840Lelio R Paula01/2017
823235540^891+891^35540104839Hans Havermann09/2020
82335^149985-52104836Lelio R Paula11/2016
82342^348224-20249104826Enzo Doria06/2013
8235(2^348217+2522)/2104824Stefano Morozzi09/2020
82362^348212-20105104823Enzo Doria06/2013
823724647^17898+17898^24647104819Hans Havermann10/2020
823820^80562+19104814Lelio R Paula12/2016
82392*10^104811-87104812Robert Price04/2018
82402^348149-20053104804Enzo Doria06/2013
8241Phi(341301,3)104792Henri Lifchitz12/2025
82422^348095-171104788Lelio R Paula09/2011
824325383^13412+13412^25383104769Hans Havermann09/2020
82442^348003-20377104760Enzo Doria06/2013
824526^74036-27104759Anonymous09/2024
82472^347994-741104757Lelio R Paula12/2016
8246(2^347993+2234)/2104757Stefano Morozzi01/2021
8248(2^347990+790)/2104756Stefano Morozzi09/2020
824925137^14702+14702^25137104756Hans Havermann09/2020
8250(13*2^347972-1)/282309104746Lelio R Paula03/2014


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Created by  Henri Lifchitz & Renaud Lifchitz : October, 26 2000, last modification: April, 15 2026 08:45 (Time in France)

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