PRP Records

Probable Primes Top 10000

(295036 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 ?
6751(2^349452+3570)/2105196Stefano Morozzi09/2020
67523^220464-112852105189Enzo Doria07/2014
67532^349419-17349105186Enzo Doria05/2013
67542^349400-2579105180Yves Minet07/2014
67558*5^150471+3105176Lelio R Paula11/2014
6756(2^349359+2298)/2105168Stefano Morozzi02/2021
6757655^37342+37342^655105165Norbert Schneider08/2018
675813^94403+94105160Lelio R Paula12/2016
67592^349301-112309105151Enzo Doria06/2014
676030291^2960+2960^30291105149Hans Havermann09/2020
676127350^6981+6981^27350105132Hans Havermann09/2020
67639*2^349220+5105127Lelio R Paula09/2014
6762(2^349225+3122)/2105127Stefano Morozzi09/2020
67647*3^220317+8105119Lelio R Paula09/2014
67657^124386+88105119Lelio R Paula11/2016
6766(2^349197+570)/2105119Stefano Morozzi09/2020
67672^349171-19657105111Enzo Doria06/2013
6768(2^349115+590)/2105094Stefano Morozzi09/2020
6769(2^(6*58185+1)-5)/3105093Kevin Acres11/2013
6770(2^349111-5)/3105093Lelio R Paula12/2013
6771675^37142+37142^675105087Norbert Schneider08/2018
67722^348981-2797573105054Enzo Doria04/2016
67732^348869-6555105021Lelio R Paula01/2017
67745^150217+78104998Lelio R Paula11/2016
6775(88*10^104989-1)/3104991Robert Price04/2020
6776(28*10^104972+149)/3104973Robert Price12/2019
677724927^16262+16262^24927104972Hans Havermann10/2020
67782^348703-113005104971Enzo Doria06/2014
6779(191*10^104956-17)/3104958Robert Price11/2021
67812^348612-809104943Yves Minet05/2013
6780(73*10^104942-1)/9104943Robert Price01/2015
67822^348583-350407104934Enzo Doria06/2015
67832^348531-949104919Yves Minet05/2012
678420^80636-59104910Lelio R Paula12/2016
67858*10^104893-13104894Robert Price08/2019
67872^348437+35104890Lelio R Paula09/2011
678625208^14487+14487^25208104890Hans Havermann09/2020
67882^348348+135104864Lelio R Paula09/2011
6789(29*10^104858+349)/9104859Robert Price06/2021
67906*10^104852-31104853Robert Price07/2020
6792(2^348284+9)/25104843Lelio R Paula12/2013
679175^55914-74104843Norbert Schneider01/2015
67932^348268+255255104840Lelio R Paula01/2017
679435540^891+891^35540104839Hans Havermann09/2020
67955^149985-52104836Lelio R Paula11/2016
67962^348224-20249104826Enzo Doria06/2013
6797(2^348217+2522)/2104824Stefano Morozzi09/2020
67982^348212-20105104823Enzo Doria06/2013
679924647^17898+17898^24647104819Hans Havermann10/2020
680020^80562+19104814Lelio R Paula12/2016
68012*10^104811-87104812Robert Price04/2018
68022^348149-20053104804Enzo Doria06/2013
68032^348095-171104788Lelio R Paula09/2011
680425383^13412+13412^25383104769Hans Havermann09/2020
68052^348003-20377104760Enzo Doria06/2013
68062^347994-741104757Lelio R Paula12/2016
6807(2^347993+2234)/2104757Stefano Morozzi01/2021
6808(2^347990+790)/2104756Stefano Morozzi09/2020
680925137^14702+14702^25137104756Hans Havermann09/2020
6810(13*2^347972-1)/282309104746Lelio R Paula03/2014
681112883^25484-25484^12883104740Norbert Schneider08/2022
68122^347910-109937104732Enzo Doria04/2014
6813(88*10^104709-637)/9104710Robert Price11/2020
6814(13*10^104702+71)/3104703Robert Price06/2021
68155^149794+28104702Lelio R Paula11/2016
6816105^51800-2104698Lelio R Paula10/2017
6817(16^86939+3^86939)/19104684Robert Price06/2013
6818(15^89009-1)/14104682Paul Bourdelais03/2010
68192^347731-18609104678Enzo Doria05/2013
68204*6^134519+7104677Lelio R Paula11/2014
6821(34*10^104672-259)/9104673Robert Price12/2021
682225321^13588+13588^25321104656Hans Havermann09/2020
68232^347625+5367104646Riley Fisher04/2023
68242^347612-18545104642Enzo Doria05/2013
68276^134465+95104635Lelio R Paula11/2016
6826(2^347588+3718)/2104635Stefano Morozzi09/2020
6825(166*10^104633-7)/3104635Robert Price11/2020
68282^347517-17301104614Enzo Doria05/2013
6829(2^347493+3186)/2104606Stefano Morozzi09/2020
6830(2^347490+2574)/2104605Stefano Morozzi09/2020
68313^219222-310104596Lelio R Paula11/2016
683225993^10554+10554^25993104581Hans Havermann09/2020
6833(15*2^347399-1)/13104578Lelio R Paula03/2014
68342^347372-17853104570Enzo Doria05/2013
68352^347314+99104552Lelio R Paula09/2011
68362^347300-22233104548Enzo Doria06/2013
68372^347287-19845104544Enzo Doria06/2013
68382^347258-231191104536Harrison Mesh06/2022
6839(31*2^347254-1)/891104533Lelio R Paula03/2014
68405*F(250091)*(F(250091)-1)+1104532Serge Batalov04/2015
68417*2^347239-3104531Lelio R Paula09/2014
6842(3^219098-8)/514147439969104525Lelio R Paula12/2013
68435*3^219047+8104513Lelio R Paula09/2014
68442^347148-109073104502Enzo Doria04/2014
68452^347129-20145104497Enzo Doria06/2013
68464*10^104461-57104462Robert Price10/2018
6847(7*10^(2*52227+1)+9*10^52227-7)/9104455Robert Price10/2023
6848(2^346989+590)/2104454Stefano Morozzi09/2020
68492^346923-19585104435Enzo Doria05/2013
6850(11*2^346864-1)/175104416Lelio R Paula03/2014
68512^346854+346854^2+1104414Robert Price06/2014
68522^346834+11715104408Lelio R Paula04/2015
685324276^19961+19961^24276104392Hans Havermann09/2020
685479^55009+78104387Norbert Schneider02/2015
68553^218744+58104368Lelio R Paula11/2016
68569*10^104361+89104362Robert Price11/2019
685725048^14665+14665^25048104358Hans Havermann09/2020
68582^346649+65104352Lelio R Paula09/2011
6859(19*33^68718-600883)/32104350Eric Chen05/2023
68602^346638-17265104349Enzo Doria05/2013
6861(2^346606+2082)/2104339Stefano Morozzi09/2020
6862(2^346607+2070)/2104339Stefano Morozzi09/2020
6863(2^346582+3202)/2104332Stefano Morozzi09/2020
686426092^9967+9967^26092104331Hans Havermann09/2020
68655*10^104326+77104327Robert Price12/2018
6866(2^346564+2026)/2104326Stefano Morozzi09/2020
6867(8925^26569-1)/(8925^163-1)104320Ryan Propper11/2023
68702^346527-111817104316Enzo Doria05/2014
68696^134055+101104316Lelio R Paula11/2016
6868fibonacci(499147)-4104316Jon Grantham08/2023
687192105!4+8104312Robert Price09/2019
6872(7^123407-5^123407)/2104291Jon Grantham08/2023
68736^134013+163104283Lelio R Paula11/2016
687410^(2*52140+1)-10^52140-1104281Robert Price07/2023
6875(22*10^104272-61)/3104273Robert Price03/2022
6876(2^346318+862)/2104252Stefano Morozzi02/2021
687818^83049-89104250Lelio R Paula01/2017
6877(2^346311+606)/2104250Stefano Morozzi09/2020
6879(166*10^104230+11)/3104232Robert Price03/2021
68802^346213+484049104221Enzo Doria04/2017
688118^83021-91104214Lelio R Paula01/2017
688210^104212+128779104213Patrick De Geest05/2016
688310^104212+237447104213Patrick De Geest05/2016
688410^104212+242139104213Patrick De Geest05/2016
688510^104212+269199104213Patrick De Geest05/2016
688624254^19803+19803^24254104213Hans Havermann09/2020
6887(10^104212-71)/1104212Serge Batalov12/2014
688823678^23821-23821^23678104202Norbert Schneider01/2020
6889(13*31^69863+12407)/30104191Eric Chen04/2024
68902^346078+7695104180Lelio R Paula12/2016
68912^346055-19537104173Enzo Doria05/2013
6892(3*2^346057+1)/77104173Lelio R Paula12/2013
68932^346037-20125104168Enzo Doria06/2013
6894(34*10^104168-7)/9/13/551179104162Makoto Morimoto05/2016
68956^133854-17993104159Enzo Doria03/2013
68962^345990+1874239104154Enzo Doria06/2016
68972^345988-20373104153Enzo Doria06/2013
6898(2^345965+2214)/2104146Stefano Morozzi09/2020
6899(26*10^104132-503)/9104133Robert Price07/2018
69003*5^148968+8104125Lelio R Paula11/2014
6901(7*10^104113+53)/3104114Robert Price05/2018
6902p(21253)#/2+8104113Robert Price01/2017
690333582^1259+1259^33582104106Hans Havermann09/2020
690432958^1441+1441^32958104104Hans Havermann09/2020
690529127^3748+3748^29127104095Hans Havermann09/2020
6906322^41507+41507^322104094Norbert Schneider12/2014
69076^133768-17423104092Enzo Doria03/2013
69082^345786-19557104092Enzo Doria05/2013
6909171^46606-2104072Lelio R Paula10/2017
6910(29*10^104071+91)/3104072Robert Price04/2020
6911norm(Mod(x,x^3-x-1)^852167-1)104070Paul Vanderveen09/2022
69122^345704-149104068Lelio R Paula09/2011
691325821^10712+10712^25821104056Hans Havermann09/2020
6914(2^345662+2038)/2104055Stefano Morozzi09/2020
69156^133704-17273104042Enzo Doria02/2013
6916(3*2^345590-1)/23104033Lelio R Paula03/2014
6917(19*2^345590+1)/33859104030Lelio R Paula12/2013
69182^345547+11104021Lelio R Paula09/2011
6919(19*10^104014-49)/3104015Robert Price05/2019
6920(2^345519+1794)/2104012Stefano Morozzi01/2021
69212^345504+723104008Lelio R Paula09/2011
69222^345498-20037104006Enzo Doria06/2013
692418^82854-37104005Lelio R Paula01/2017
6923(2^345497+2070)/2104005Stefano Morozzi09/2020
69252^345486-109065104002Enzo Doria04/2014
69262^345487-1851507104002Enzo Doria08/2015
69272^345476+777103999Lelio R Paula09/2011
6928(2^345477+1554)/2103999Stefano Morozzi09/2020
69294*10^103981-83103982Robert Price10/2018
6930(2^345327+3206)/2103954Stefano Morozzi09/2020
6931(5*2^345321-1)/3103953Lelio R Paula03/2014
6932(2^345267-9)/539049127103927Lelio R Paula12/2013
6933(19*10^103907+77)/3103908Robert Price05/2019
6934(78557*2^345163+1)/78589103905Lelio R Paula07/2014
69352^345106-112181103888Enzo Doria06/2014
6936(2^345105+1326)/2103887Stefano Morozzi02/2021
69372^345079+99103880Lelio R Paula09/2011
6938(2^345034+1198)/2103866Stefano Morozzi09/2020
693911^99736-1500103865Enzo Doria12/2012
6940(569^37699-1)/568103863Serge Batalov06/2022
6941(2^345010+2082)/2103859Stefano Morozzi09/2020
694223263^23784-23784^23263103857Norbert Schneider01/2020
69433*10^103844+31103845Robert Price06/2021
6944444*33^68368+19103821Eric Chen05/2023
694523927^21814+21814^23927103813Hans Havermann09/2020
69462^344842-20157103808Enzo Doria06/2013
6947(47*2^344822+1)/1071103801Lelio R Paula05/2015
69482^344802-20765103796Enzo Doria06/2013
69492^344794-3821103794Yves Minet05/2011
69502^344782-109103103790Enzo Doria04/2014
69513^217521-112292103784Enzo Doria06/2014
69522^344759-3505103783Lelio R Paula11/2016
69532^344735-147103776Lelio R Paula09/2011
6954L(496533)-p(496533)103770Robert Price02/2018
69552*10^103749-69103750Robert Price03/2018
6956(55459*2^344617+1)/3103745Lelio R Paula07/2014
69572^344607-108891103738Enzo Doria03/2014
6959(2^344608+3798)/2103738Stefano Morozzi02/2021
6958(1097^34123-1)/1096103738Serge Batalov06/2022
69602^344560+22411103723Enzo Doria09/2023
6961(148*10^103718-1)/3103720Robert Price03/2020
69622^344541-19561103718Enzo Doria05/2013
6963(1017*2^344529-1)/569103714Lelio R Paula05/2015
6964(8896^26263-1)/8895103714Serge Batalov06/2022
6965(2^344503+1758)/2103706Stefano Morozzi09/2020
6966(4*10^103703-1)/3103704Serge Batalov08/2009
69672^344444-455103688Yves Minet03/2012
6968(4*10^103678-43)/3103679Robert Price01/2022
6969(13*53^238539*617^9)/10^307661103673Hans Havermann06/2017
6970(2^344367+2738)/2103665Stefano Morozzi01/2021
69722^344317-109933103650Enzo Doria04/2014
697126055^9508+9508^26055103650Hans Havermann09/2020
69732^344309-1852033103648Enzo Doria08/2015
697425729^10672+10672^25729103643Hans Havermann09/2020
6975(2^344289+1166)/2103642Stefano Morozzi09/2020
69763*10^103637+61103638Robert Price09/2020
6977(2^344246+1614)/2103629Stefano Morozzi09/2020
69782^344213-21253103619Enzo Doria06/2013
69792^344196-465103614Lelio R Paula11/2016
69802^344187-20001103611Enzo Doria06/2013
6981(117191#+(355573#)/(117191#))/(200233679)103602Makoto Morimoto10/2017
6982(237^43627-1)/236103601Serge Batalov06/2022
698320^79621-19^79621103590Jean-Louis Charton03/2011
6984Phi(155391,10)/1243129103586Maksym Voznyy09/2015
6985(9^108553-2^108553)/7103586Jon Grantham07/2023
69862^344085-20365103580Enzo Doria06/2013
69875^148169+54103566Lelio R Paula11/2016
69882^344017-108795103560Enzo Doria03/2014
6989(2^343974+2670)/2103547Stefano Morozzi09/2020
69902^343971-5077103546Lelio R Paula09/2011
6991(7*10^103531+71)/3103532Robert Price05/2018
69922^343899+141103524Lelio R Paula08/2011
6993(2^343933+1)/(3*98294339989393)103520Gord Palameta08/2018
69946^133029-67103517Lelio R Paula11/2016
6995(17*2^343877+1)/13625103515Lelio R Paula12/2013
699666*10^103507+7103509Robert Price07/2020
699726297^8614+8614^26297103485Hans Havermann09/2020
6998(2^343764+2658)/2103483Stefano Morozzi09/2020
699926499^8036+8036^26499103480Hans Havermann09/2020
7000(136*10^103474-1)/9103476Serge Batalov12/2014


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Created by  Henri Lifchitz & Renaud Lifchitz : October, 26 2000, last modification: April, 23 2024 10:10 (Time in France)

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