PRP Records

Probable Primes Top 10000

(296025 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 ?
3501(25*10^150050-403)/9150051Robert Price12/2020
3502numbpart(18140942830)150033Serge Batalov04/2017
350310^150029+4381150030Patrick De Geest05/2016
350410^150029-41150029Serge Batalov12/2014
350533185^33185+618^618150028Serge Batalov04/2024
35069*34^97952+529150013Eric Chen08/2023
350710^150000+1158603150001Patrick De Geest09/2018
350810^150000-245703150000Patrick De Geest09/2018
3509(38*10^149999+691)/9150000Robert Price10/2018
35102043563126843649194^8192+2043563126843649185^8192150000Youcef Lemsafer01/2023
3511(2043563126843649232^8192+2043563126843649201^8192)/147457149994Youcef Lemsafer01/2023
35122^498238-53149985Lelio R Paula12/2017
351345728^1905+1905^45728149984Hans Havermann10/2020
3514(211^65024+1)/(211^512+1)149945Martin Hopf12/2023
35155*10^149907+23149908Robert Price03/2019
351632^99585-829149891Eric Chen11/2023
351739347^6442+6442^39347149874Hans Havermann09/2020
35182^497850+81049149868Enzo Doria07/2016
3519V(1075416)149830Serge Batalov07/2024
352037228^10575+10575^37228149816Hans Havermann10/2020
3521(5*2^497673+1)/2743149812Lelio R Paula10/2015
3522(5*2^497671+1)/373703149810Lelio R Paula10/2015
3523(2*10^149803-143)/3149803Robert Price03/2018
352433845^26604+26604^33845149763Hans Havermann09/2020
35252^497434-2784191149743Enzo Doria10/2015
3526(865*10^149737-1)/9149739Robert Price04/2020
352710^149695-7000001149695Robert Price06/2021
352838237^8214+8214^38237149681Hans Havermann09/2020
3529(23*10^149655+19)/3149656Robert Price07/2019
35302^497068-113579149633Enzo Doria08/2014
35312^497037+73727149624Enzo Doria04/2016
353211*10^149618+3149620Robert Price07/2021
353334942^19067+19067^34942149562Hans Havermann09/2020
353433696^27449+27449^33696149561Hans Havermann09/2020
35352^496773+77747149544Enzo Doria05/2016
353629937^33400-33400^29937149506Frank Doornink06/2024
3537(7*10^149483-493)/9149483Robert Price04/2021
3538(206*10^149459+7)/3149461Robert Price07/2020
353934589^20940+20940^34589149459Hans Havermann09/2020
35402^496477-113485149455Enzo Doria08/2014
35413*2^496411-5149436Jon Grantham07/2023
3542((10^74703-1)*10000/9+7481)*10^74703+(10^74703-1)/9149410Hans Havermann09/2019
35432^496270-49451149393Enzo Doria10/2015
35442^496238-1865081149383Enzo Doria01/2016
354533831^26030+26030^33831149380Hans Havermann09/2020
354634131^23780+23780^34131149365Hans Havermann09/2020
3547(5*10^149335-53)/3149336Robert Price09/2020
354826043^33818-33818^26043149330Frank Doornink03/2024
35492^495968-1853699149302Enzo Doria09/2015
35502^495935-4117149292Yves Minet02/2018
35515*2^495930+3149291Jon Grantham07/2023
355235816^14709+14709^35816149267Hans Havermann09/2020
3553(10^149264+7)/191/2683/80557149254Alfred Reich07/2021
355410^149240-40000001149240Robert Price07/2022
355510^149240-10809149240Alfred Reich08/2024
35562^495712-396765149225Enzo Doria07/2013
3557(21*2^495676-1)/4835149211Lelio R Paula10/2015
35582^495420+1880701149137Enzo Doria10/2016
355925646^33823-33823^25646149127Frank Doornink02/2024
35602^495337-1847293149112Enzo Doria07/2015
3561(2^495193-7)/5149068Lelio R Paula10/2015
35622^495163+111546435149059Paul Bourdelais10/2021
356333282^30097+30097^33282149055Hans Havermann09/2020
356437384^9705+9705^37384149050Hans Havermann09/2020
356534808^19143+19143^34808149049Hans Havermann09/2020
3566413^56963-412^56963149013Jean-Louis Charton08/2012
356730657^33212-33212^30657149007Frank Doornink06/2024
356847^89113-46^89113149006Robert Price10/2012
3569V(891190)148997Serge Batalov07/2024
35702^494916+87855148985Lelio R Paula01/2016
35716*10^148982+73148983Robert Price04/2019
35723^312155-4148936Anonymous02/2023
357310^148934+1530019148935Patrick De Geest02/2021
357410^148934-1000000001148934Robert Price11/2020
357510^148934-512057148934Patrick De Geest02/2021
357639000^6571+6571^39000148888Hans Havermann10/2020
35772^494586-2791991148886Enzo Doria02/2016
35788*10^148860-3148861Ray Chandler04/2011
357938262^7769+7769^38262148854Hans Havermann10/2020
358010^148816-500001148816Robert Price03/2022
3581(53*10^148811-287)/9148812Robert Price02/2022
35822^494333-286183148810Enzo Doria06/2015
35832^494144-264119148753Enzo Doria05/2014
35846*10^148734+47148735Robert Price06/2022
358528724^33353-33353^28724148696Frank Doornink06/2024
358636502^11823+11823^36502148663Hans Havermann11/2020
3587(5*2^493838-1)/3721148658Lelio R Paula10/2015
358864239^206+206^64239148641Hans Havermann10/2020
3589(23*2^493761-1)/555148636Lelio R Paula10/2015
3590(23*10^148627-137)/3148628Robert Price08/2021
3591(151*10^148601-1)/3148603Robert Price03/2020
35922^493636+82081148600Enzo Doria09/2016
3593((((((((((((((34251^2-2)^2-2)^2-2)^2-2)^2-2)^2-2)^2-2)^2-2)^2-2)^2-2)^2-2)^2-2)^2-2)^2-2)^2-2148593Serge Batalov07/2016
359427134^33509-33509^27134148563Frank Doornink01/2024
3595177487#+(519643#)/(177487#)148558Makoto Morimoto11/2017
3596(2*10^148460-23)/3148460Robert Price04/2018
3597(28*10^148445+101)/3148446Robert Price09/2020
359836203^12556+12556^36203148391Hans Havermann10/2020
359933912^23749+23749^33912148387Hans Havermann10/2020
3600(8*10^148328+1)/9148328Serge Batalov05/2010
360134294^21117+21117^34294148309Hans Havermann10/2020
3602(71*10^148306-539)/9148307Robert Price07/2019
360330814^33039-33039^30814148304Frank Doornink06/2024
360438042^7875+7875^38042148222Hans Havermann10/2020
36055^211959-12874148153Enzo Doria05/2014
360634142^21831+21831^34142148145Hans Havermann10/2020
360710^148112+34059148113Patrick De Geest05/2021
360810^148112-70000001148112Robert Price03/2021
360910^148112-106593148112Patrick De Geest05/2021
361036303^12016+12016^36303148108Hans Havermann10/2020
3611(77*10^148089-149)/9148090Robert Price03/2022
3612(16*10^148071+41)/3148072Robert Price03/2019
3613187^65175-2148068Lelio R Paula11/2017
36142^491851+1871453148062Enzo Doria05/2016
3615(68*10^148060-257)/9148061Robert Price07/2019
3616(151*10^148020-1)/3148022Robert Price03/2020
361739153^6032+6032^39153148017Hans Havermann10/2020
361836798^10507+10507^36798147983Hans Havermann12/2020
3619(26*10^147973-23)/3147974Robert Price12/2019
36202^491521-1865323147963Enzo Doria02/2016
3621(2^491476+7)/71147948Lelio R Paula10/2015
36222*10^147928+47147929Robert Price12/2021
36232^491391-7807147924Lelio R Paula01/2013
362439736^5279+5279^39736147920Hans Havermann11/2020
36252^491370-113297147918Enzo Doria07/2014
3626(32760^32760+32759^32759)/95546586737133567708319147900Robert Price07/2016
362744368^2155+2155^44368147899Hans Havermann12/2020
3628(17*10^147890+79)/3147891Robert Price04/2019
362994*10^147871-3147873Robert Price05/2020
363010^147843+620967147844Patrick De Geest05/2021
363110^147843-50000000001147843Robert Price12/2020
363210^147843-182891147843Patrick De Geest05/2021
363335805^13346+13346^35805147709Hans Havermann11/2020
36342^490672+255255147707Paul Bourdelais10/2021
36352^490660-17147704Lelio R Paula12/2017
3636(229*10^147699-1)/3147701Robert Price07/2020
363740656^4289+4289^40656147678Hans Havermann11/2020
36382^490550+1179439147671Enzo Doria06/2016
363927249^33292-33292^27249147662Frank Doornink06/2024
3640(23*10^147649-59)/9147650Robert Price05/2018
36412^490303+2793653147596Enzo Doria03/2016
36422^490266+255255147585Paul Bourdelais10/2021
3643199^64181-2147543Lelio R Paula11/2017
364432849^30958+30958^32849147518Hans Havermann11/2020
36452^489871-286987147466Enzo Doria07/2015
36462^489864-351899147464Enzo Doria07/2015
3647175^65724-2147422Lelio R Paula11/2017
36482^489712+1874851147419Enzo Doria06/2016
364934473^18830+18830^34473147367Hans Havermann11/2020
365063^81896-2147359Lelio R Paula10/2017
365134580^18237+18237^34580147344Hans Havermann11/2020
3652(11*10^147313-107)/3147314Robert Price09/2018
3653(397*10^147310+17)/9147312Robert Price03/2022
36542^489305-59815147296Enzo Doria10/2015
3655(2^489280-7)/6381147285Lelio R Paula09/2015
36562*10^147264-61147265Robert Price10/2021
36572*10^147260+29147261Robert Price02/2021
365833556^24457+24457^33556147258Hans Havermann11/2020
36592^489125+80357147242Enzo Doria06/2016
366010^147240-40000001147240Robert Price07/2022
366110^147240-371331147240Alfred Reich09/2024
366210^147240-464727147240Alfred Reich09/2024
366332835^30452+30452^32835147220Hans Havermann12/2020
3664(19*10^147213-97)/3147214Robert Price10/2021
366527123^33190-33190^27123147143Frank Doornink01/2024
3666(148*10^147139-1)/3147141Robert Price03/2020
366734338^19255+19255^34338147123Hans Havermann11/2020
36682^488648-112799147098Enzo Doria07/2014
36692^488627-350317147092Enzo Doria06/2015
367033432^25075+25075^33432147076Hans Havermann12/2020
3671(2^488441-1)/(61543567*30051203516986199)147012Dario Alpern12/2014
36722^488280-2165146987Yves Minet07/2014
36732^488278+45146987Lelio R Paula12/2017
367432568^32568+32561^32561146973Henri Lifchitz08/2024
36752^487927-39146881Lelio R Paula12/2017
3676(7*10^146860-13)/3146861Robert Price07/2018
3677(26*10^146856-77)/3146857Robert Price11/2019
367832948^28611+28611^32948146834Hans Havermann11/2020
367942596^2799+2799^42596146829Hans Havermann12/2020
36802^487726-1863341146821Enzo Doria12/2015
368143838^2229+2229^43838146775Hans Havermann11/2020
368235005^15594+15594^35005146775Hans Havermann11/2020
3683(167*10^146764+7)/3146766Robert Price04/2021
368453^85114+85114146761Kellen Shenton05/2022
3685(59*10^146738+157)/9146739Robert Price12/2021
3686((10^73362-1)*10000/9+6701)*10^73362+(10^73362-1)/9146728Hans Havermann09/2019
368732963^28234+28234^32963146711Hans Havermann12/2020
3688(22*10^146661-19)/3146662Robert Price04/2019
368933958^20825+20825^33958146651Hans Havermann12/2020
369026289^33178-33178^26289146640Frank Doornink03/2024
36912^487121-39523146639Enzo Doria09/2015
369261063^252+252^61063146637Hans Havermann12/2020
3693(7*2^486967+1)/39146591Lelio R Paula09/2015
369434099^19900+19900^34099146587Hans Havermann11/2020
36952^486893-79146570Yves Minet09/2017
369636818^9567+9567^36818146565Hans Havermann12/2020
36972^486840+1879141146554Enzo Doria08/2016
36982^486774-87146534Lelio R Paula12/2017
369938655^6176+6176^38655146530Hans Havermann11/2020
37008*10^146522-81146523Robert Price02/2021
370132820^29059+29059^32820146485Hans Havermann12/2020
370237261^8530+8530^37261146472Hans Havermann12/2020
370366953^154+154^66953146462Hans Havermann12/2020
370496^73877-95^73877146445Robert Price10/2015
37058*10^146421+81146422Robert Price08/2019
370633153^26090+26090^33153146420Hans Havermann11/2020
37072^486275+23961146384Enzo Doria10/2023
3708(52^85259+1)/53146304Paul Bourdelais09/2017
3709179^64935+2146290Lelio R Paula10/2017
371032595^30758+30758^32595146285Hans Havermann11/2020
371134972^15157+15157^34972146205Hans Havermann12/2020
3712(16*10^146200+131)/3146201Robert Price03/2022
3713(19*10^146181-49)/3146182Robert Price05/2019
37142^485531-114621146160Enzo Doria05/2015
37152^485473-933075146142Paul Bourdelais06/2021
3716(2^485461-9)/4249146135Lelio R Paula09/2015
3717(22*10^146130-193)/9146131Robert Price07/2022
37182^485389+81887146117Enzo Doria08/2016
371932554^30773+30773^32554146108Hans Havermann11/2020
372028075^32844-32844^28075146101Frank Doornink06/2024
3721(10^146063+71)/9146063Serge Batalov07/2015
37222*10^146051-63146052Robert Price01/2022
3723(2^485119+7)/2745146032Lelio R Paula09/2015
3724(22*10^146029+257)/9146030Robert Price06/2018
37257*10^145982-53145983Robert Price06/2020
37262^484743+1872923145923Enzo Doria05/2016
372733140^25287+25287^33140145913Hans Havermann01/2021
372837875^7112+7112^37875145895Hans Havermann01/2021
372930542^32529-32529^30542145890Frank Doornink06/2024
373032862^27473+27473^32862145872Hans Havermann01/2021
3731V(1046652)/2093303145817Serge Batalov07/2024
373232836^27587+27587^32836145815Hans Havermann01/2021
37332^484341+1879157145802Enzo Doria08/2016
37342*10^145784-91145785Robert Price04/2020
37352^484271-51145781Lelio R Paula11/2017
3736(188*10^145750-11)/3145752Robert Price02/2022
373770^78989-69^78989145743Robert Price01/2014
373851^85334+2145714Robert Price07/2015
37392^483886-1857101145665Enzo Doria10/2015
374029312^32607-32607^29312145657Frank Doornink06/2024
374133350^23307+23307^33350145656Hans Havermann01/2021
3742(19*10^145585+131)/3145586Robert Price06/2020
374331815^32332-32332^31815145580Frank Doornink01/2024
37442^483563-1863457145567Enzo Doria12/2015
37454*10^145563-69145564Robert Price01/2022
37462^483516-1861409145553Enzo Doria11/2015
37472^483384-115019145514Enzo Doria06/2015
3748(259*10^145501-1)/3145503Robert Price12/2020
3749(19*10^145499-61)/3145500Robert Price05/2019
37502^483302-3221145489Lelio R Paula12/2012


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Created by  Henri Lifchitz & Renaud Lifchitz : October, 26 2000, last modification: October, 22 2024 15:56 (Time in France)

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