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 ?
3751(25*10^141366-331)/9141367Robert Price08/2018
375236986^6639+6639^36986141365Hans Havermann06/2021
375334572^12271+12271^34572141361Hans Havermann06/2021
375437179^6338+6338^37179141353Hans Havermann05/2021
3755(2^469564-3)/611141351Lelio R Paula08/2015
3756197^61601+2141342Lelio R Paula08/2017
375733420^16951+16951^33420141340Hans Havermann05/2021
375831623^29458+29458^31623141330Hans Havermann05/2021
375948112^865+865^48112141306Hans Havermann05/2021
37602^469372-112949141296Enzo Doria07/2014
37615*10^141294-63141295Robert Price04/2021
37623^296115+4141283Tyler NeSmith01/2021
3763(64*10^141256+161)/9141257Robert Price08/2022
3764143^(2^16)+106^(2^16)141253Valeryi Kuryshev02/2011
3765143^65536+106^65536141253Serge Batalov03/2018
3766(11*10^141243-23)/3141244Robert Price09/2021
37682^469198+782569141243Enzo Doria10/2016
376738129^5062+5062^38129141243Hans Havermann05/2021
37692^469076-2786939141206Enzo Doria11/2015
377038630^4521+4521^38630141202Hans Havermann05/2021
377131755^27836+27836^31755141139Hans Havermann05/2021
377235554^9325+9325^35554141137Hans Havermann05/2021
37732^468804+1874941141125Enzo Doria06/2016
37742^468787+81353141119Enzo Doria08/2016
37752^468595-350407141062Enzo Doria06/2015
37762^468564+87855141052Lelio R Paula01/2016
37772^468551-21987141048Enzo Doria07/2013
37782^468523-7141040Lelio R Paula08/2015
3779(25*10^141019-13)/3141020Robert Price09/2019
37802^468405+87855141004Lelio R Paula01/2016
378139338^3831+3831^39338140961Hans Havermann05/2021
378231458^30239+30239^31458140950Hans Havermann05/2021
37838*10^140932+29140933Robert Price11/2021
378433166^17691+17691^33166140881Hans Havermann06/2021
37852^467978-113051140876Enzo Doria07/2014
37862^467780-344429140816Enzo Doria07/2015
37879*10^140802-89140803Robert Price04/2020
37882^467605-1855603140764Enzo Doria09/2015
3789(9^147503-5^147503)/4140754Jon Grantham07/2023
37905*10^140744-7140745Robert Price09/2015
3791(5^201359-1)/4140744Paul Bourdelais12/2008
37922^467401-1850023140702Enzo Doria08/2015
3793(14*10^140693+13)/9140694Tyler Busby02/2023
3794(266*10^140681-17)/3140683Robert Price07/2020
3795(2^467270+78557)/23247140658Lelio R Paula07/2015
379632138^23781+23781^32138140644Hans Havermann05/2021
379731654^27735+27735^31654140640Hans Havermann05/2021
3798(29*2^467205+1)/2780517107140635Lelio R Paula08/2015
37992^467166-1854941140631Enzo Doria09/2015
3800(203*10^140615-11)/3140617Robert Price12/2020
3801(85*10^140609+473)/9140610Robert Price01/2020
380239231^3836+3836^39231140600Hans Havermann06/2021
38035*3^294676+2^294676140597Jon Grantham08/2023
38042^466866-1840571140541Enzo Doria06/2015
38052^466829-459523140530Enzo Doria05/2015
38062^466692-113213140489Enzo Doria07/2014
380723*10^140464-3140466Robert Price10/2021
3808(2*10^140461-17)/3140461Serge Batalov11/2022
380931335^30364+30364^31335140455Hans Havermann05/2021
381032795^19126+19126^32795140416Hans Havermann05/2021
3811(44*10^140410-503)/9140411Robert Price12/2018
3812153^64265-2140400Lelio R Paula11/2017
3813(112*10^140357-1)/3140359Serge Batalov12/2014
3814(29*10^140337-17)/3140338Robert Price09/2019
38152^466181-112735140335Enzo Doria07/2014
3816(16*10^140290-37)/3140291Robert Price05/2021
3817(5*10^140281-119)/3140282Robert Price03/2018
381834568^11415+11415^34568140259Hans Havermann05/2021
3819(27*2^465872+1)/691140241Lelio R Paula08/2015
382033632^14781+14781^33632140236Hans Havermann05/2021
382131803^25670+25670^31803140233Hans Havermann05/2021
38222^465803-114817140221Enzo Doria05/2015
3823floor(Pi*10^140344)%10^140165140165Serge Batalov08/2012
38242^465503-112735140131Enzo Doria07/2014
3825(16*10^140091+167)/3140092Robert Price06/2019
3826(8*10^140087-137)/3140088Robert Price03/2022
38276^179964+179964^6-1140040Robert Price04/2014
3828(89*10^140008-179)/9140009Robert Price12/2019
3829(29*2^465077-1)/9140003Lelio R Paula08/2015
38302^465072-344789140001Enzo Doria07/2015
383134742^10683+10683^34742139965Hans Havermann05/2021
38325*10^139945+81139946Robert Price03/2019
383332648^19335+19335^32648139941Hans Havermann05/2021
38342^464864-17139939Lelio R Paula09/2017
38358*10^139920+51139921Robert Price08/2019
3836(85*10^139913-1)/3139915Robert Price02/2020
383731203^30436+30436^31203139896Hans Havermann04/2021
38382^464642+22189139872Enzo Doria09/2023
383926138^31663-31663^26138139865Frank Doornink03/2024
3840(16^116139+619)/5139845Anonymous08/2022
3841(2^464556+619)/5139845Eric Chen10/2023
38424*10^139839-27139840Robert Price08/2021
384333582^14573+14573^33582139821Hans Havermann05/2021
3844(17^113621+1)/18139804Paul Bourdelais09/2011
38462*10^139800-21139801Robert Price09/2020
384532628^19261+19261^32628139801Hans Havermann04/2021
3847(13*10^139782+191)/3139783Robert Price11/2018
3848(64*10^139776+791)/9139777Robert Price01/2022
3849(695*10^139772+7)/9139774Robert Price12/2021
3850(19*2^464312-1)/3139773Lelio R Paula08/2015
3851(74*10^139723+133)/9139724Robert Price06/2019
38523*10^139722+13139723Robert Price07/2018
385331577^26592+26592^31577139721Hans Havermann05/2021
385477*10^139692+3139694Robert Price06/2020
3855(31*2^463970+1)/5139670Lelio R Paula08/2015
3856(18203^(2^15)+(18201)^(2^15))/2139597Robert Price05/2018
385739640^3321+3321^39640139584Hans Havermann05/2021
385836663^6410+6410^36663139571Hans Havermann05/2021
38592^463633-2788423139568Enzo Doria11/2015
386033659^13978+13978^33659139532Hans Havermann05/2021
386131811^24318+24318^31811139521Hans Havermann04/2021
386234149^12172+12172^34149139512Hans Havermann04/2021
3863(29*10^139476+313)/9139477Robert Price04/2021
386431721^24940+24940^31721139474Hans Havermann05/2021
386532833^17698+17698^32833139473Hans Havermann05/2021
38662^463271-109501139459Enzo Doria04/2014
3867(5*10^139457+79)/3139458Robert Price03/2018
38682^463237-99139449Lelio R Paula09/2017
3869(49*10^139442+383)/9139443Robert Price04/2019
387031155^29902+29902^31155139441Hans Havermann05/2021
3871(7*10^139417-547)/9139417Robert Price01/2018
3872(10^139398+191)/3139398Robert Price02/2018
387323*10^139386-3139388Robert Price10/2021
38742^463019+79463139383Enzo Doria06/2016
38753^292129-112756139381Enzo Doria07/2014
3876(15*2^462951+1)/527139361Lelio R Paula08/2015
387731922^23205+23205^31922139359Hans Havermann05/2021
3878(19*10^139336+503)/9139337Alfred Reich11/2023
38802^462855-1865707139334Enzo Doria02/2016
387931237^28876+28876^31237139334Hans Havermann05/2021
3881(86*10^139315+121)/9139316Robert Price08/2019
38822^462786-292043139313Enzo Doria08/2015
388338915^3798+3798^38915139299Hans Havermann05/2021
3885(26*10^139289+1)/9139290Serge Batalov05/2010
3884(17*10^139289+7)/3139290Robert Price06/2023
388634065^12248+12248^34065139260Hans Havermann05/2021
388736425^6654+6654^36425139256Hans Havermann05/2021
388839252^3527+3527^39252139243Hans Havermann05/2021
3889(17*10^139239+67)/3139240Robert Price01/2019
389031887^23248+23248^31887139231Hans Havermann05/2021
3891(25*10^139210-97)/9139211Robert Price01/2022
38922^462238-935139148Yves Minet02/2014
3893(29*10^139134-119)/9139135Robert Price12/2021
3894(109*10^139100-7)/3139102Robert Price03/2021
389538744^3885+3885^38744139068Hans Havermann05/2021
389631112^29499+29499^31112139065Hans Havermann05/2021
38972*10^139043-63139044Robert Price01/2022
389836390^6613+6613^36390139025Hans Havermann04/2021
38992*10^138975+33138976Robert Price11/2021
390042437^1882+1882^42437138966Hans Havermann05/2021
390132151^20990+20990^32151138958Hans Havermann05/2021
390232154^20933+20933^32154138933Hans Havermann04/2021
390331082^29499+29499^31082138931Hans Havermann04/2021
39042^461228+1870441138844Enzo Doria05/2016
39052^461204-113675138837Enzo Doria08/2014
3906(2^461139-7)/47138815Lelio R Paula08/2015
3907(17*10^138812-521)/9138813Robert Price04/2018
39083*10^138811-11138812Robert Price07/2018
3909(28*10^138768+173)/3138769Robert Price12/2019
3910(17*2^460963+1)/124051613138757Lelio R Paula08/2015
3911(379*10^138737-1)/9138739Robert Price02/2020
3912(43*10^138648+101)/9138649Robert Price11/2018
39132^460567-113541138645Enzo Doria08/2014
3914(10^138622+161)/9138622Robert Price09/2021
39157*10^138604+3138605Robert Price08/2015
3916(133*10^138600+17)/3138602Robert Price11/2021
391733912^12203+12203^33912138581Hans Havermann05/2021
39182^460330+69138574Lelio R Paula09/2017
3919(17*10^138569-77)/3138570Robert Price08/2019
392031186^27725+27725^31186138556Hans Havermann05/2021
3921(16*10^138545+89)/3138546Robert Price03/2021
392239753^3056+3056^39753138546Hans Havermann05/2021
392331282^26847+26847^31282138545Hans Havermann05/2021
39246*10^138520-37138521Robert Price02/2021
39262^460078-69581138498Enzo Doria12/2015
392531830^22447+22447^31830138498Hans Havermann05/2021
392737384^5065+5065^37384138492Hans Havermann05/2021
392834774^9585+9585^34774138456Hans Havermann05/2021
392910^138444-5001138444Robert Price12/2021
39302^459768+1531138404Lelio R Paula06/2012
3931(266*10^138328-17)/3138330Robert Price07/2020
393227200^31193-31193^27200138328Frank Doornink01/2024
393332963^15696+15696^32963138306Hans Havermann05/2021
39342^459343-113611138277Enzo Doria08/2014
3935(28*10^138240+113)/3138241Robert Price03/2020
39362^459199+1874393138233Enzo Doria06/2016
393733339^14002+14002^33339138230Hans Havermann05/2021
39382^459063-345307138192Enzo Doria06/2015
39392*10^138162-43138163Robert Price04/2018
39402^458927-112747138151Enzo Doria06/2014
39412^458927-69217138151Enzo Doria11/2015
394230907^29458+29458^30907138130Hans Havermann05/2021
394332882^15837+15837^32882138094Hans Havermann05/2021
394439252^3295+3295^39252138083Hans Havermann05/2021
394533789^12190+12190^33789138062Hans Havermann06/2021
3946555555*2^458524+1513138036Darren Bedwell08/2009
394730931^29002+29002^30931138028Hans Havermann05/2021
39482^458465+2^32+1138012T. D. Noe06/2007
394932206^19275+19275^32206138003Hans Havermann05/2021
39502^458321-113053137969Enzo Doria07/2014
39516^177298+323137965Riley Fisher03/2023
39522^458298+79459137962Enzo Doria06/2016
39532^458248-21815137947Enzo Doria07/2013
39542^458194+1876549137931Enzo Doria07/2016
3955(318259#+325270)/(2^2*5*11*2957)137907Makoto Morimoto10/2017
3956(318259#+2625)/(3^2*5*7^5*22965193)137899Makoto Morimoto06/2019
3957(793*10^137887+53)/9137889Robert Price01/2022
39582^457937+57137853Lelio R Paula09/2017
3959(8*10^137845+13)/3137846Robert Price06/2018
39602^457822+105137819Donovan Johnson06/2006
39612^457754-113711137798Enzo Doria09/2014
396211^132315-360137792Enzo Doria09/2012
396332072^19689+19689^32072137725Hans Havermann06/2021
396426529^31132-31132^26529137720Frank Doornink03/2024
396544592^1225+1225^44592137707Hans Havermann05/2021
39662^457347-37137676Lelio R Paula09/2017
39672^457322-2786393137668Enzo Doria10/2015
3968gcd(Phi(699340,10),(10^34967+1)^3*(10^34967+1+10^17484)-(10^69934+10^34967)*(10^17484-1)+10^104901)137664Serge Batalov04/2015
396934015^11134+11134^34015137647Hans Havermann06/2021
39702^457240-59939137643Enzo Doria10/2015
3971(856*10^137633-1)/9137635Robert Price03/2020
397236232^6289+6289^36232137631Hans Havermann05/2021
39732^457120-21575137607Enzo Doria07/2013
3975(11*2^456978+1)/15137564Lelio R Paula07/2015
397430963^27722+27722^30963137564Hans Havermann04/2021
397633722^12003+12003^33722137562Hans Havermann06/2021
3977(7*25^98399+10613)/12137556Curtis Bright05/2015
397841901^1918+1918^41901137555Hans Havermann06/2021
3979(7*10^137551-1)/3137552Robert Price08/2022
398032930^15021+15021^32930137539Hans Havermann05/2021
398131178^25785+25785^31178137538Hans Havermann05/2021
3982419^52446+52446^419137525Norbert Schneider11/2020
39832^456813+214175137515Enzo Doria10/2023
39842^456796-113513137510Enzo Doria08/2014
398531788^21137+21137^31788137485Hans Havermann04/2021
3986(7*2^456655+1)/39137467Lelio R Paula07/2015
398727151^31004-31004^27151137466Frank Doornink01/2024
39882^456503-114361137422Enzo Doria01/2015
3989(11*2^456387+1)/19137386Lelio R Paula07/2015
399030618^30618-5^5137352Serge Batalov04/2024
399136248^6147+6147^36248137332Hans Havermann05/2021
399231986^19651+19651^31986137329Hans Havermann05/2021
39932^456167+22313137320Enzo Doria09/2023
399431817^20656+20656^31817137292Hans Havermann05/2021
3995(71*10^137250+1)/9137251Serge Batalov05/2010
39962^455922+76249137247Enzo Doria05/2016
399731310^24171+24171^31310137241Hans Havermann05/2021
399814^119741-119741^14137239Serge Batalov04/2016
399935014^8297+8297^35014137218Hans Havermann05/2021
4000(19*2^455760+1)/3455137196Lelio R Paula07/2015


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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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