PRP Records

Probable Primes Top 10000

(292102 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 ?
40012^411932-111546435124004Paul Bourdelais10/2021
40022^411884-113279123990Enzo Doria07/2014
4003(2^411832+1)/257123972Lelio R Paula05/2014
4004(2^411833+2)/514123972Stefano Morozzi03/2020
4005(26*10^123970-89)/9123971Robert Price06/2018
40062^411790-1853531123962Enzo Doria08/2015
4007(5^177337+1)/6123953Paul Bourdelais11/2008
4008(101*10^123950+7)/9123952Robert Price02/2022
40092^411711-113257123938Enzo Doria07/2014
4010(23*2^411675-1)/3123928Lelio R Paula05/2014
401136289^2598+2598^36289123914Hans Havermann03/2021
4012(11*10^123899-179)/3123900Robert Price09/2018
401332276^6879+6879^32276123860Hans Havermann02/2021
40142^411325-351103123822Enzo Doria06/2015
4015(646*10^123817+11)/9123819Robert Price10/2021
401630738^10643+10643^30738123784Hans Havermann03/2021
401731074^9607+9607^31074123755Hans Havermann03/2021
40182^411052+1872481123739Enzo Doria05/2016
401934365^3986+3986^34365123733Hans Havermann03/2021
40202^410997+39123723Lelio R Paula05/2014
4021(649^43987-1)/648123700Michael Stocker05/2020
4022(148*10^123688-1)/3123690Robert Price03/2020
402336825^2284+2284^36825123684Hans Havermann03/2021
402429582^15171+15171^29582123683Hans Havermann03/2021
402510^123671+3593037123672Paul Bourdelais10/2021
40268*10^123657+87123658Robert Price10/2019
402730505^11302+11302^30505123642Hans Havermann03/2021
402829956^13401+13401^29956123633Hans Havermann03/2021
4029155^56438+154123618Norbert Schneider01/2019
40302^410596-39123602Lelio R Paula05/2014
4031(41*10^123600-221)/9123601Robert Price10/2021
403228995^18302+18302^28995123592Hans Havermann03/2021
403328302^23269+23269^28302123589Hans Havermann03/2021
40342^410540-115079123585Enzo Doria06/2015
4035(7*10^123563+107)/3123564Robert Price02/2018
40369*10^123549+89123550Robert Price11/2019
4037(197*10^123545+7)/3123547Robert Price12/2020
4038(3*2^410392-1)/9229123537Lelio R Paula05/2014
4039(29*10^123510+277)/9123511Robert Price11/2021
404028118^24687+24687^28118123508Hans Havermann03/2021
404139994^1225+1225^39994123507Hans Havermann03/2021
40422^410206-113081123485Enzo Doria07/2014
4043(25*2^410192+1)/10397123478Lelio R Paula04/2014
404428974^18215+18215^28974123442Hans Havermann03/2021
404528901^18618+18618^28901123406Hans Havermann03/2021
40462^409909-189123395Enzo Doria05/2014
40472^409896-109043123391Enzo Doria04/2014
40482^409890+75409123390Enzo Doria04/2016
404981254^33+33^81254123386Hans Havermann03/2021
405033463^4854+4854^33463123348Hans Havermann03/2021
405134061^4182+4182^34061123348Hans Havermann03/2021
4052133^58076-2123345Lelio R Paula10/2017
4053F(590041)123311Henri Lifchitz01/2005
4054(82*10^123299+377)/9123300Robert Price03/2022
40552^409566-113501123292Enzo Doria08/2014
40562^409533+77747123282Enzo Doria05/2016
40572^409436-112799123253Enzo Doria06/2014
405828212^23321+23321^28212123223Hans Havermann03/2021
40592^409225+1873787123189Enzo Doria06/2016
40602^409174+73009123174Enzo Doria04/2016
40612^409058-112685123139Enzo Doria06/2014
4062(13*10^123137-61)/3123138Robert Price11/2018
40634*10^123113+21123114Robert Price12/2018
40642^408778+77689123055Enzo Doria05/2016
40652^408690-75123028Lelio R Paula11/2013
406628327^22032+22032^28327123026Hans Havermann03/2021
4067(29*10^122996+673)/9122997Robert Price12/2018
4068(65*10^122994-101)/9122995Robert Price01/2022
40692^408574-2787341122994Enzo Doria03/2016
40703*10^122977+37122978Robert Price08/2018
4071(7*10^122976-67)/3122977Robert Price10/2021
4072Phi(157825,10)122961Maksym Voznyy06/2015
4073(68*10^122933-419)/9122934Robert Price07/2019
407429712^13721+13721^29712122931Hans Havermann03/2021
4075(13*2^408283+1)/1665122904Lelio R Paula05/2014
4076(266*10^122872-17)/3122874Robert Price07/2020
4077(16*10^122871+77)/3122872Robert Price03/2019
407830395^11022+11022^30395122865Hans Havermann03/2021
40794*10^122859-69122860Robert Price01/2022
4080(10^122857+167)/3122857Robert Price05/2021
408133331^4852+4852^33331122856Hans Havermann03/2021
4082(11*2^408100-1)/35122850Lelio R Paula04/2014
4083(19*10^122836-43)/3122837Robert Price05/2019
408428420^20969+20969^28420122820Hans Havermann03/2021
4085(16*10^122818+179)/3122819Robert Price11/2021
408629865^12934+12934^29865122797Hans Havermann03/2021
4087(2^407821-lucasV(1,2,407821)+1)/2122767Mike Oakes11/2016
4088(32*10^122733-77)/9122734Robert Price06/2018
4089(21*2^407604-1)/215122701Lelio R Paula04/2014
4091(22*10^122681+161)/3122682Robert Price05/2019
409029513^14350+14350^29513122682Hans Havermann03/2021
4092(21*2^407433-1)/13122650Lelio R Paula04/2014
4093(26*10^122625-131)/3122626Robert Price10/2019
409427925^24562+24562^27925122599Hans Havermann03/2021
4095(73*10^122592-1)/9122593Robert Price01/2015
4096(5*10^122592+91)/3122593Robert Price04/2018
409736751^2166+2166^36751122589Hans Havermann03/2021
4098(85*10^122585-1)/3122587Robert Price02/2020
409929368^14931+14931^29368122585Hans Havermann03/2021
41002^407179-112075122574Enzo Doria06/2014
4101(21*2^407131+1)/207517523122552Lelio R Paula04/2014
4102(66^67349+1)/67122543Paul Bourdelais09/2017
4103(646*10^122533+11)/9122535Robert Price10/2021
41042^407008-1867919122522Enzo Doria04/2016
410511^117642-300122512Enzo Doria10/2012
4106(F(3*97700+1)^2+L(3*97700+1)^2)/2122509Henri Lifchitz10/2017
41072^406949+72197122504Enzo Doria04/2016
4108(19*10^122501+149)/3122502Robert Price05/2019
410928632^18977+18977^28632122495Hans Havermann03/2021
411031815^7076+7076^31815122481Hans Havermann03/2021
41112^406826-65122467Lelio R Paula11/2013
41122^406821-2797363122466Enzo Doria04/2016
4113(7*10^122456-331)/9122456Robert Price03/2022
41142^406758-17122447Lelio R Paula11/2013
411529941^12282+12282^29941122437Hans Havermann03/2021
4116(30^82883-1)/29122427Robert Price12/2011
411727496^27577+27577^27496122422Norbert Schneider12/2020
411828732^18215+18215^28732122411Hans Havermann03/2021
4119(2^406583-1)/813167122388Jens K. Andersen02/2009
41204*10^122377+19122378Robert Price10/2018
412128227^21634+21634^28227122368Hans Havermann03/2021
4122Phi(246362,10)122365Makoto Kamada09/2019
41233*10^122345-97122346Robert Price07/2018
412497^61575-2122336Lelio R Paula12/2014
41252*10^122319+47122320Robert Price12/2021
4126208^52765+52765^208122313Norbert Schneider11/2020
41272^406298+2799109122308Enzo Doria04/2016
41287*10^122294+57122295Robert Price06/2019
4129(27*2^406241-1)/10277122289Lelio R Paula04/2014
41302^406229-1849993122288Enzo Doria08/2015
41313*10^122274+7122275Robert Price07/2015
41322^406117+1876577122254Enzo Doria07/2016
413329308^14835+14835^29308122253Hans Havermann03/2021
413428119^22268+22268^28119122253Hans Havermann03/2021
413532167^6312+6312^32167122240Hans Havermann03/2021
41363^256199-2^256199122238Mike Oakes06/2005
413727678^26053+26053^27678122223Hans Havermann03/2021
41382^405992-78557122216Jorge Menendez03/2018
4139(8*10^122203+43)/3122204Robert Price06/2018
4140(58*10^122170+329)/9122171Robert Price05/2019
41412^405774+179149122151Enzo Doria06/2016
4142(218*10^122109+7)/9122111Robert Price06/2022
414329189^15246+15246^29189122103Hans Havermann03/2021
414534*10^122082-9122084Robert Price06/2020
414433442^4473+4473^33442122084Hans Havermann03/2021
41465*10^122082+41122083Robert Price03/2019
414731849^6808+6808^31849122078Hans Havermann03/2021
41492^405514-3311122072Yves Minet12/2014
41502^405514-115511122072Enzo Doria07/2015
414823*10^122070-7122072Robert Price02/2020
41512^405422-113261122045Enzo Doria07/2014
41522^405173+71237121970Enzo Doria04/2016
4153(154*10^121953+17)/9121955Robert Price06/2022
4154(34*10^121924+191)/9121925Robert Price08/2021
4155(2^405016+1)/257121920Lelio R Paula04/2014
415628557^18590+18590^28557121918Hans Havermann03/2021
415728641^18002+18002^28641121877Hans Havermann03/2021
41582^404858+71329121875Enzo Doria04/2016
41592^404813-114703121861Enzo Doria04/2015
41602^404764+77791121847Enzo Doria05/2016
416128830^16841+16841^28830121847Hans Havermann03/2021
4162(4*10^121825+89)/3121826Robert Price08/2021
4163317^48694+48694^317121787Norbert Schneider08/2015
41642^404536-115259121778Enzo Doria06/2015
41652^404501-631121767Yves Minet07/2012
41665*10^121764-69121765Robert Price02/2021
416728236^20485+20485^28236121738Hans Havermann02/2021
4168(382*10^121694-31)/9121696Robert Price06/2022
416963^67620+2121672Lelio R Paula08/2015
4170(16*10^121633+167)/3121634Robert Price06/2019
417129955^11494+11494^29955121632Hans Havermann02/2021
4172(17*10^121621+1)/9121622Serge Batalov05/2010
417331088^8163+8163^31088121612Hans Havermann02/2021
4174(15*2^403912+1)/271121589Lelio R Paula05/2014
4175(10^121543-79)/3121543Robert Price01/2018
41762^403676+76831121519Enzo Doria05/2016
4177(7*10^121487+143)/3121488Robert Price03/2018
417827965^22086+22086^27965121484Hans Havermann02/2021
4179(893*10^121470+7)/9121472Robert Price06/2021
4180(206*10^121462-11)/3121464Robert Price02/2022
4181(77*10^121455+67)/9121456Robert Price12/2021
41822^403363-113635121425Enzo Doria08/2014
4183(17*10^121418-113)/3121419Robert Price06/2021
41842^403336-1861469121417Enzo Doria03/2016
418527929^22186+22186^27929121382Hans Havermann02/2021
4186p(24442)#/2-64121381Robert Price04/2017
418711^116555-720121380Enzo Doria11/2012
41882^403100-461267121346Enzo Doria07/2015
41892^403093-112213121344Enzo Doria06/2014
419029404^13385+13385^29404121340Hans Havermann02/2021
419128106^20745+20745^28106121332Hans Havermann02/2021
4192(316^48539+1)/317121330Eric Chen10/2017
4193(23*10^121320-71)/3121321Robert Price07/2020
41942^403004+1866361121317Enzo Doria03/2016
41952^402953+89121301Lelio R Paula10/2013
41962^402944-2788319121299Enzo Doria03/2016
4197(44*10^121297-719)/9121298Robert Price12/2018
4198(27*2^402865+1)/5121276Lelio R Paula04/2014
41992^402828-113183121264Enzo Doria07/2014
4200(17*10^121242+1)/9121243Serge Batalov05/2010
4201(15*2^402757+1)/101121242Lelio R Paula05/2014
42032^402715+1874223121230Enzo Doria06/2016
4202(35*10^121229-593)/9121230Robert Price07/2018
4204(91^61879+1)/92121222Paul Bourdelais09/2017
420528719^16568+16568^28719121174Hans Havermann02/2021
42067*10^121144+9121145Robert Price09/2015
420727490^25467+25467^27490121121Hans Havermann02/2021
420834575^3182+3182^34575121106Hans Havermann02/2021
42095*10^121100-37121101Robert Price11/2021
421029954^10935+10935^29954120979Hans Havermann02/2021
421133585^3992+3992^33585120946Hans Havermann02/2021
421240296^1003+1003^40296120941Hans Havermann02/2021
42132^401725-113251120932Enzo Doria07/2014
4214(15*2^401677-1)/19120917Lelio R Paula05/2014
42152^401652+73711120910Enzo Doria04/2016
4216(2^401632+3)/79120902Lelio R Paula04/2014
421740450^973+973^40450120870Hans Havermann01/2021
421810^120841+88417120842Patrick De Geest04/2020
421910^120841-123456789120841Robert Price02/2020
422010^120841-176853120841Patrick De Geest04/2020
42212^401406-2791331120836Enzo Doria03/2016
4222(28^83497+1)/29120832Robert Price07/2013
4223(22*10^120828+161)/3120829Robert Price05/2019
42242^401369+1867367120825Enzo Doria03/2016
4225(5*10^120821+43)/3120822Robert Price12/2021
4226(10^120782+29)/3120782Serge Batalov12/2014
42272^401215-1657120778Yves Minet07/2014
42282^401159+53120761Lelio R Paula10/2013
422927782^22179+22179^27782120739Hans Havermann01/2021
423032974^4585+4585^32974120730Hans Havermann02/2021
42312^401031-113047120723Enzo Doria07/2014
423230598^8813+8813^30598120713Hans Havermann02/2021
4233(71*10^120703-287)/9120704Robert Price09/2019
4234(29*2^400909-1)/303120685Lelio R Paula04/2014
423534793^2940+2940^34793120675Hans Havermann02/2021
4236(2^400846+538)/2120667Stefano Morozzi09/2020
4237(166*10^120654+11)/3120656Robert Price03/2021
423834066^3481+3481^34066120652Hans Havermann02/2021
42398*10^120637-27120638Robert Price10/2021
4240(2^400709+3546)/2120626Stefano Morozzi09/2020
4241(2^400700+3126)/2120623Stefano Morozzi09/2020
4242(2^400693+2634)/2120621Stefano Morozzi09/2020
42439*10^120617-61120618Robert Price06/2021
4244(29*10^120590-71)/3120591Robert Price07/2021
42452^400571-15120584Lelio R Paula10/2013
4246(10^120574+359)/9120574Serge Batalov12/2014
4247(8*10^120552-17)/9120552Serge Batalov11/2022
424827431^24810+24810^27431120550Hans Havermann02/2021
42492^400424-216413120540Enzo Doria04/2013
425029090^13911+13911^29090120531Hans Havermann02/2021


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Created by  Henri Lifchitz & Renaud Lifchitz : October, 26 2000, last modification: March, 20 2023 09:01 (Time in France)

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