PRP Records

Probable Primes Top 10000

(301352 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 ?
1001(2^1135567+13)/3341840Stefano Morozzi09/2022
10022^1134873+223637341631Enzo Doria06/2024
10032^1133678+782569341272Enzo Doria11/2016
1004(11^327001+1)/12340536Paul Bourdelais09/2013
10052^1129965+223667340154Enzo Doria06/2024
10062^1129361+221597339972Enzo Doria04/2024
10072^1128706+225529339775Enzo Doria07/2024
10082^1128621+25919339749Enzo Doria12/2023
10092^1127479+234083339405Enzo Doria03/2025
1010(2^1127239+2^563620+1)/5339333Borys Jaworski11/2006
1011Tau(907^20848)339132Nik Lygeros / Olivier Rozier01/2016
10122^1126380-3339075Paul Bourdelais06/2019
10132^1125784+24331338895Enzo Doria10/2023
10142^1125446+1885099338794Enzo Doria08/2017
1015(63^188147+1)/64338539Paul Bourdelais12/2020
10162^1124549+143807338523Enzo Doria10/2016
1017(4*10^338476+23)/9338476Serge Batalov11/2022
10182^1121187+1886783337511Enzo Doria04/2017
1019(48^200443-1)/47336992Paul Bourdelais08/2020
1020(2*10^336405+43)/9336405Rytis Slatkevicius01/2023
1021(94^170371-1)/93336162Paul Bourdelais09/2020
10222^1116184+1883521336005Enzo Doria02/2017
10232^1115727+27683335868Enzo Doria01/2024
10242^1114974+28759335641Enzo Doria02/2024
10252^1114517+1880087335504Enzo Doria10/2016
1026(5*10^335480+31)/9335480Serge Batalov11/2022
10275*3^701688+2^701688334791Jon Grantham08/2023
1028(101^166849+1)/102334418Paul Bourdelais12/2020
1029(3^700897+1)/4334413Paul Bourdelais04/2010
10302^1109200+223201333903Enzo Doria05/2024
10312^1108463+32513333681Enzo Doria05/2024
10322^1104500+22411332488Enzo Doria10/2023
10332^1104408-114539332460Enzo Doria03/2015
10342^1101921+82085331712Enzo Doria10/2016
10352^1101895+29963331704Enzo Doria03/2024
10362^1101167-1101167^2331485Henri Lifchitz07/2024
10372^1101091+224153331462Enzo Doria06/2024
10382^1100655+683513331331Enzo Doria01/2017
1039(10^330906+71)/9330906Serge Batalov07/2015
10402^1098346+482899330636Enzo Doria11/2016
10412^1096976+25330223Henri Lifchitz11/2024
1042(19*10^330041+53)/9330042Rytis Slatkevicius12/2024
1043(2^1096212+19)/5329992Stefano Morozzi09/2022
10442^1095679+1878713329833Enzo Doria09/2016
10452^1094874+27499329590Enzo Doria01/2024
10462^1094740-1851539329550Enzo Doria08/2015
10472^1092242+19328798Stefano Morozzi10/2022
1048(19*10^328590+53)/9328591Rytis Slatkevicius12/2024
10492^1091469-379369328565Enzo Doria03/2014
10502^1090801+24227328364Enzo Doria10/2023
10512^1087944+39091327504Enzo Doria11/2024
1052(69^178093-1)/68327485Paul Bourdelais08/2020
10532^1086662+43909327118Enzo Doria04/2025
1054(10^326884+7)/421326882Alfred Reich12/2021
10552^1085750+582349326844Enzo Doria11/2016
1056(54308^69169-1)/(54308^263-1)326261Ryan Propper11/2023
10572^1083596+483061326195Enzo Doria12/2016
1058(2^541456-1)*10^162995+2^541455-1325990paolo galliani01/2019
10592^1082908+583561325988Enzo Doria05/2017
106030^220411-29^220411325574Jean-Louis Charton10/2018
10612^1081308+7325507Stefano Morozzi10/2022
10622^1080151+225413325158Enzo Doria08/2024
10632^1080032+25171325123Enzo Doria11/2023
10642^1078242+1881649324584Enzo Doria11/2016
10652^1077737+1880117324432Enzo Doria10/2016
10663^679017-5*2^679017323974Jon Grantham08/2023
10672^1076006+29539323911Enzo Doria03/2024
10682^1075573+32417323780Enzo Doria05/2024
10692^1075425+1880117323736Enzo Doria10/2016
1070(28^223381+1)/29323267Paul Bourdelais12/2020
107110^322999+187071323000Stefano Morozzi03/2019
107210^322999-143151322999Patrick De Geest05/2020
10732^1072744+32641322929Enzo Doria05/2024
10742^1072146+1886869322749Enzo Doria04/2017
10752^1072118-7321953322740Enzo Doria02/2015
10762025^97561-2024^97561322579Henri Lifchitz01/2025
10772^1071026+1886869322411Enzo Doria04/2017
10782^1070539+1880633322265Enzo Doria10/2016
10792^1069788+26587322039Enzo Doria12/2023
10802^1069293-1147195321890Enzo Doria05/2015
10812^1065968+1880941320889Enzo Doria10/2016
10822^1065897-1147195320867Enzo Doria05/2015
10832^1063427+1882103320124Enzo Doria12/2016
10842^1061095-1061095319422Henri Lifchitz10/2013
10852^1060950+653119319378Enzo Doria12/2016
10862^1060363+782753319202Enzo Doria11/2016
10872^1060028+31771319101Enzo Doria04/2024
1088(71^172259-1)/70318895Paul Bourdelais08/2020
10892^1058425+38507318618Enzo Doria11/2024
1090-30*Bern(85996)/236037521318354Sergey Batalov10/2023
10912^1055665+30407317787Enzo Doria03/2024
10922^1054736+483061317508Enzo Doria12/2016
10932^1053965+1879667317276Enzo Doria10/2016
1094(43^194119-1)/42317086Paul Bourdelais08/2020
10952^1052899+225413316955Enzo Doria08/2024
10962^1052186-458165316740Enzo Doria03/2015
109711^303909+2316489Paul Bourdelais08/2023
10982^1049026+214609315789Enzo Doria11/2023
10992^1048576+69661315653Boyan Hu08/2024
11002^1046613-114685315062Enzo Doria04/2015
11012^1045625-459373314765Enzo Doria06/2015
110210^(2*157363+1)-8*10^157363-1314727Robert Price07/2023
1103(7*10^314564-61)/9314564Erik Branger09/2016
11042^1044771+228023314508Enzo Doria11/2024
11052^1044206+7314338Stefano Morozzi10/2022
1106(7^371669-1)/6314096Paul Bourdelais02/2010
1107(53^181981-1)/52313784Paul Bourdelais08/2020
1108(8^347437-5^347437)/3313767Jon Grantham08/2023
1109(10^313741+1)/11/11294677313733Alfred Reich04/2024
11102^1041944+283051313657Enzo Doria12/2016
1111(1624^97969-1)/(1624^313-1)313533Sergey Batalov11/2023
11122^1041153-114391313419Enzo Doria02/2015
1113(2^1039700+9)/5312981Stefano Morozzi09/2022
1114(74^167311+1)/75312742Paul Bourdelais12/2020
11152^1038871+1866983312732Enzo Doria04/2016
11162^1038545+71657312634Enzo Doria08/2023
1117(55^179573-1)/54312521Paul Bourdelais08/2020
11182^1037647+1881263312363Enzo Doria11/2016
11192^1037226+1879699312237Enzo Doria10/2016
11202^1036867+1865843312129Enzo Doria02/2016
1121(76^165947+1)/77312114Paul Bourdelais01/2021
11222^1036324+39091311965Enzo Doria11/2024
11232^1036020-114539311874Enzo Doria02/2015
1124(90^159463-1)/89311628Paul Bourdelais08/2020
11252^1034546+28819311430Enzo Doria02/2024
11262^1032240+1883431310736Enzo Doria01/2017
112764211^64588+64588^64211310514Norbert Schneider11/2023
11282^1031450+29629310498Enzo Doria03/2024
11292^1030352+1870021310167Enzo Doria06/2016
11302^1030046+1882843310075Enzo Doria11/2016
11312^1029120+227971309796Enzo Doria11/2024
11323^648872+16309591Robert Price04/2020
1133(16976^73441-1)/(16976^271-1)309498Ryan Propper11/2023
113464221^64366+64366^64221309451Norbert Schneider06/2023
1135(11121^76729-1)/(11121^277-1)309336Ryan Propper11/2023
11362^1027478+219259309302Enzo Doria02/2024
11372^1026999+20513309158Enzo Doria07/2023
11385^442281+2309142Paul Bourdelais01/2021
11392^1026204+22741308919Enzo Doria09/2023
11402^1026190+15308914Stefano Morozzi10/2022
11412^1025108+20851308589Enzo Doria08/2023
11422^1022860+234121307912Enzo Doria03/2025
1143A352736(16)306985Kellen Shenton05/2022
11442^1019777+213947306984Enzo Doria10/2023
1145(11^293831-1)/10305993Paul Bourdelais03/2010
1146(67^167449-1)/66305773Paul Bourdelais08/2020
1147(62^170539+1)/63305671Paul Bourdelais12/2020
11482^1015321-1015321305643Henri Lifchitz08/2013
11492^1014775+27113305478Enzo Doria12/2023
11502^1014450+7305380Stefano Morozzi10/2022
11512^1014336+215731305346Enzo Doria12/2023
11522^1014224-2791229305312Enzo Doria01/2016
1153(10^304986+7)/673304984Alfred Reich11/2021
115465473^45250+45250^65473304818Hans Havermann02/2022
115566012^41423+41423^66012304794Hans Havermann03/2022
115665073^48202+48202^65073304742Hans Havermann04/2022
11572^1012054+31669304659Enzo Doria06/2024
1158238176^19+19^238176304569Hans Havermann03/2022
115973122^14615+14615^73122304539Hans Havermann05/2022
116064492^52639+52639^64492304487Hans Havermann03/2022
116165955^41288+41288^65955304437Hans Havermann04/2022
116271729^17530+17530^71729304403Hans Havermann03/2022
116370170^21733+21733^70170304336Hans Havermann03/2022
11642^1010751-107709304267Enzo Doria03/2014
116584473^3994+3994^84473304222Hans Havermann03/2022
1166(2^1010623-1)/12602017578957977304212Tony Prest / Never Odd Or Even02/2014
116774442^12125+12125^74442303998Hans Havermann02/2022
116877842^8039+8039^77842303989Hans Havermann01/2022
116964209^54140+54140^64209303935Hans Havermann02/2022
11702^1009577+1869587303913Enzo Doria06/2016
117167389^32338+32338^67389303906Hans Havermann02/2022
11728^336419-7^336419303817Jean-Louis Charton01/2008
11732^1009168+15303790Stefano Morozzi10/2022
117480766^5771+5771^80766303782Hans Havermann01/2022
117566094^39385+39385^66094303724Hans Havermann01/2022
117669147^24574+24574^69147303589Hans Havermann02/2022
117778390^7459+7459^78390303580Hans Havermann01/2022
11782^1008301+1869377303529Enzo Doria06/2016
117965008^46615+46615^65008303492Hans Havermann02/2022
1180(2^1007838+5)/3303389Serge Batalov08/2015
118165018^46293+46293^65018303343Hans Havermann01/2022
11826^389756+5303290Paul Bourdelais02/2021
118371016^18649+18649^71016303285Hans Havermann01/2022
11842^1007065+29231303157Enzo Doria03/2024
118580160^6047+6047^80160303129Hans Havermann01/2022
118667434^31237+31237^67434303094Hans Havermann03/2022
118765537^42102+42102^65537303063Hans Havermann02/2022
118871790^16553+16553^71790302874Hans Havermann11/2021
118965208^44129+44129^65208302874Hans Havermann11/2021
119084181^3960+3960^84181302858Hans Havermann11/2021
1191(13703^73441-1)/(13703^271-1)302691Ryan Propper11/2023
119271956^16087+16087^71956302682Hans Havermann11/2021
11932^1005326+383059302634Enzo Doria12/2016
11942^1004929+1877567302514Enzo Doria08/2016
119569341^22978+22978^69341302418Hans Havermann12/2021
1196111443^516+516^111443302306Hans Havermann12/2021
119767638^29387+29387^67638302218Hans Havermann11/2021
11982^1003494+1874899302082Enzo Doria06/2016
119975189^10400+10400^75189302037Hans Havermann12/2021
120067237^31042+31042^67237302026Hans Havermann12/2021
120164540^47791+47791^64540302005Hans Havermann11/2021
12022^1003046+60529301947Enzo Doria04/2016
120383278^4209+4209^83278301815Hans Havermann09/2021
120464431^48250+48250^64431301763Hans Havermann09/2021
120567237^30714+30714^67237301716Hans Havermann09/2021
120664641^46288+46288^64641301581Hans Havermann09/2021
120771513^16482+16482^71513301572Hans Havermann10/2021
120872017^15396+15396^72017301565Hans Havermann09/2021
120965534^39927+39927^65534301540Hans Havermann10/2021
1210(23^221411-1)/22301501Paul Bourdelais08/2020
121163169^59152+59152^63169301441Hans Havermann09/2021
121275055^10348+10348^75055301336Hans Havermann09/2021
12132^1000647+1881353301225Enzo Doria11/2016
121483686^3961+3961^83686301086Hans Havermann10/2021
121568529^24742+24742^68529301078Hans Havermann09/2021
121665207^41416+41416^65207301072Hans Havermann10/2021
12182^1000000+821751301030Tony Prest / Never Odd Or Even10/2015
12172^999999+77151301030Norman Luhn09/2023
121990762^2071+2071^90762300984Hans Havermann06/2021
122063909^51142+51142^63909300934Hans Havermann08/2021
12212^999646+1874029300924Enzo Doria06/2016
122266280^34607+34607^66280300856Hans Havermann06/2021
122365534^38925+38925^65534300817Hans Havermann07/2021
122463296^56517+56517^63296300794Hans Havermann06/2021
1225110610^523+523^110610300694Hans Havermann06/2021
122666428^33609+33609^66428300684Hans Havermann06/2021
122774247^11210+11210^74247300672Hans Havermann06/2021
1228(59^169777-1)/58300649Paul Bourdelais08/2020
122910^300476+3300477Ed Trice10/2012
123010^300476-530913300476Patrick De Geest03/2016
123166703^31960+31960^66703300471Hans Havermann06/2021
123263722^51915+51915^63722300468Hans Havermann06/2021
12332^998053+1879667300444Enzo Doria09/2016
123477018^7959+7959^77018300437Hans Havermann07/2021
1235314738^9+9^314738300337Anatoly F. Selevich02/2011
12362^997689+217787300335Enzo Doria01/2024
123769478^20987+20987^69478300281Hans Havermann07/2021
123864088^48393+48393^64088300239Hans Havermann07/2021
123964605^44146+44146^64605300084Hans Havermann08/2021
12402^996845+29027300081Enzo Doria02/2024
12417^355039-6^355039300043Jean-Louis Charton05/2011
124267594^27465+27465^67594300035Hans Havermann06/2021
124310^300000+287389300001Patrick De Geest10/2019
124410^300000-83657300000Patrick De Geest10/2019
124570599^17756+17756^70599300000Hans Havermann06/2021
1246numbpart(72526161452)299999Serge Batalov04/2017
12472^996182-114431299881Enzo Doria02/2015
12483*2^996126+5299865Jon Grantham07/2023
12492^996034-17299837Stefano Morozzi07/2022
12502^995793+36587299764Enzo Doria09/2024


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Created by  Henri Lifchitz & Renaud Lifchitz : October, 26 2000, last modification: April, 24 2025 12:56 (Time in France)

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