PRP Records

Probable Primes Top 10000

(295107 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 ?
4501(166*10^129712+17)/3129714Robert Price07/2022
4502(29*2^430881-1)/21129709Lelio R Paula06/2015
45032^430807+1869563129686Enzo Doria05/2016
45042^430721-21429129660Enzo Doria07/2013
4505(4*10^129618+89)/3129619Robert Price08/2021
4506(10^129587-7^129587)/3129587Jon Grantham07/2023
45072^430415-276271129568Enzo Doria07/2015
450832282^10311+10311^32282129558Hans Havermann04/2021
450929486^24741+24741^29486129545Hans Havermann04/2021
4510(29*10^129543+313)/9129544Robert Price04/2021
451137095^3104+3104^37095129533Hans Havermann04/2021
451231132^14459+14459^31132129514Hans Havermann04/2021
451332582^9435+9435^32582129506Hans Havermann03/2021
451430442^17953+17953^30442129505Hans Havermann03/2021
4515(199*10^129487-7)/3129489Robert Price05/2020
45162^430142-2791721129486Enzo Doria03/2016
4517(7*10^129472-13)/3129473Robert Price07/2018
4518(8*10^129469+79)/3129470Robert Price10/2020
451931678^12213+12213^31678129463Hans Havermann04/2021
452010620^32143-10619^32143129412Norbert Schneider08/2023
4521(772*10^129406-7)/9129408Robert Price06/2022
452231100^14439+14439^31100129362Hans Havermann04/2021
452333009^8288+8288^33009129345Hans Havermann04/2021
452425895^29306-29306^25895129334Frank Doornink03/2024
4525(44^78697+43^78697)/87129333Aurel Gibier11/2023
452629675^22804+22804^29675129324Hans Havermann04/2021
452729068^28099+28099^29068129315Hans Havermann04/2021
45282^429568-21017129313Enzo Doria07/2013
4529(10^129295+83)/3129295Robert Price08/2021
4530(853*10^129274-7)/9129276Robert Price07/2021
453130958^14961+14961^30958129249Hans Havermann04/2021
4532(11*10^129239-179)/3129240Robert Price09/2018
453328659^28988+28988^28659129208Norbert Schneider02/2021
453429423^24616+24616^29423129203Hans Havermann03/2021
45352^429194-112685129201Enzo Doria06/2014
45362^429145-2780449129186Enzo Doria04/2016
453732500^9427+9427^32500129168Hans Havermann04/2021
453833577^7014+7014^33577129136Hans Havermann03/2021
45392^428892-113453129110Enzo Doria07/2014
4540(11*2^428881-7)/15129106Renaud Lifchitz03/2011
45412^428727-113959129060Enzo Doria10/2014
4542(7*2^428725-1)/13129059Lelio R Paula05/2014
4543(10^129051-31)/3129051Serge Batalov12/2014
4544(134*10^129038+7)/3129040Robert Price02/2020
45452^428564+71161129011Enzo Doria04/2016
454628781^28930+28930^28781129002Norbert Schneider02/2021
454729065^27424+27424^29065128995Hans Havermann04/2021
45482^428502-113285128992Enzo Doria07/2014
45492^428421-21373128968Enzo Doria06/2013
4550L(616787)128901Henri Lifchitz09/2008
455120^99055-3128874Paul Bourdelais12/2020
455291^65772-2128851Lelio R Paula05/2017
45532^428022+43128848Lelio R Paula05/2017
45542^427999-459397128841Enzo Doria05/2015
45552^427993+76847128839Enzo Doria05/2016
455631059^14060+14060^31059128833Hans Havermann03/2021
455710^128805+152871128806Patrick De Geest05/2021
455810^128805-10001128805Robert Price02/2021
45592^427824-1851507128788Enzo Doria08/2015
45602^427807-21469128783Enzo Doria07/2013
456129082^26783+26783^29082128772Hans Havermann04/2021
456240055^1638+1638^40055128750Hans Havermann04/2021
456311^123594-240128710Enzo Doria09/2012
45642^427504-21503128692Enzo Doria07/2013
456537727^2574+2574^37727128673Hans Havermann04/2021
456629686^21591+21591^29686128668Hans Havermann04/2021
456710^128668-70000000001128668Robert Price08/2021
45682^427420+91128667Lelio R Paula05/2017
45698*10^128651-37128652Robert Price03/2022
4570(68*10^128645-257)/9128646Robert Price07/2019
45712^427269-113635128621Enzo Doria08/2014
45722^427130+1877569128579Enzo Doria08/2016
45732^427068+20011128561Enzo Doria06/2023
45742^427016-115349128545Enzo Doria07/2015
4575(4*10^128510+137)/3128511Robert Price03/2018
45762^426889-112879128507Enzo Doria06/2014
45772^426804+1869931128481Enzo Doria05/2016
45782^426750+77635128465Enzo Doria05/2016
457927708^28913-28913^27708128450Frank Doornink03/2024
458036988^2969+2969^36988128445Hans Havermann03/2021
458136664^3185+3185^36664128439Hans Havermann03/2021
458232618^8649+8649^32618128416Hans Havermann04/2021
458328883^27874+27874^28883128391Hans Havermann04/2021
45842^426425-91128367Lelio R Paula05/2017
4585(15*2^426398-1)/11128359Lelio R Paula05/2014
45862^426352+74971128345Enzo Doria04/2016
4587(199*10^128343-7)/3128345Robert Price05/2020
45884*10^128343-21128344Robert Price09/2018
4589(65*10^128338+493)/9128339Robert Price08/2021
459035632^3997+3997^35632128337Hans Havermann04/2021
45912^426300-1863689128330Enzo Doria03/2016
45922^426293+1881017128327Enzo Doria11/2016
4593(88*10^128324-637)/9128325Robert Price11/2020
4594(491*10^128285+31)/9128287Robert Price04/2022
459539103^1908+1908^39103128281Hans Havermann04/2021
45962^426043+35128252Robert Price11/2015
4597(4*10^128244-19)/3128245Robert Price03/2018
459826220^29021-29021^26220128234Frank Doornink03/2024
459935489^4102+4102^35489128222Hans Havermann04/2021
460034721^4926+4926^34721128208Hans Havermann04/2021
4601(305*10^128198+1)/9128200Robert Price02/2020
46022^425808-459959128181Enzo Doria06/2015
460330632^15291+15291^30632128178Hans Havermann04/2021
460435981^3648+3648^35981128167Hans Havermann04/2021
46052^425627-113605128127Enzo Doria08/2014
4606(4*10^128109+119)/3128110Robert Price12/2021
4607(22*10^128094+53)/3128095Robert Price07/2019
4608(86*10^128086-221)/9128087Robert Price09/2019
460918565^30002-30002^18565128070Norbert Schneider01/2015
4610(2^425287-9)/2737128021Lelio R Paula05/2015
4611(3*2^425233-1)/25128007Lelio R Paula05/2014
4612Phi(149401,10)/30037901719561128003Makoto Kamada07/2022
46132^425205+4911128000Marek Hubal02/2017
461429241^23836+23836^29241127995Hans Havermann04/2021
46152^425118-113663127974Enzo Doria08/2014
4616(86*10^127967-329)/9127968Robert Price01/2020
46172^425061+1869761127957Enzo Doria05/2016
4618746^44541+44541^746127955Norbert Schneider07/2019
461930236^17043+17043^30236127946Hans Havermann03/2021
46202^424938+212419127920Enzo Doria08/2023
46212^424918-21141127914Enzo Doria07/2013
4622(62*10^127903+91)/9127904Robert Price07/2021
46232^424864-29489127897Enzo Doria08/2015
462430438^15893+15893^30438127877Hans Havermann02/2021
4625(97*10^127858-1)/3127860Serge Batalov12/2014
462628929^26258+26258^28929127845Hans Havermann03/2021
462730563^15220+15220^30563127828Hans Havermann03/2021
46282^424632-2786639127827Enzo Doria03/2016
462910^127821-700001127821Robert Price08/2021
46302^424577-113755127811Enzo Doria09/2014
4631(7*2^424512-1)/3127792Lelio R Paula05/2014
4632(56*10^127752+691)/9127753Robert Price05/2019
463311^122629-720127705Enzo Doria11/2012
463422*10^127645+3127647Robert Price01/2020
463528715^27844+27844^28715127631Hans Havermann03/2021
4636(56*10^127612+187)/9127613Robert Price10/2021
4637(5*36^81995+821)/7127609Eric Chen01/2021
46384*10^127562-39127563Robert Price09/2020
463932595^8186+8186^32595127547Hans Havermann03/2021
46402^423696-21429127546Enzo Doria07/2013
46412^423664-1864559127536Enzo Doria03/2016
464237889^2322+2322^37889127530Hans Havermann03/2021
464337668^2429+2429^37668127523Hans Havermann03/2021
46443^267267-4127519Henri Lifchitz10/2014
4645fibonacci(610144)-2127513Jon Grantham08/2023
464626253^28852-28852^26253127503Frank Doornink03/2024
4647(103*10^127491+17)/3127493Robert Price08/2020
464829376^21869+21869^29376127487Hans Havermann03/2021
464931186^12241+12241^31186127483Hans Havermann02/2021
4650(19^99689+5^99689)/24127477Robert Price09/2013
465127069^28754-28754^27069127452Frank Doornink01/2024
4652(21*2^423372+1)/101127447Lelio R Paula05/2014
465330594^14645+14645^30594127446Hans Havermann03/2021
46542^423328-21537127435Enzo Doria07/2013
4655(67*10^127413-7)/3127415Robert Price01/2020
4656(5*34^83193+700233)/11127408Eric Chen08/2023
4657(2*10^127407+73)/3127407Robert Price09/2020
4658(2^423165-7)/25127384Lelio R Paula05/2015
4659(7726^32768+1)/13917994151414876602369127379Kellen Shenton04/2021
4660(4*10^127349+17)/3127350Tyler Busby01/2023
466129512^20647+20647^29512127341Hans Havermann03/2021
46622^422987-3001935127332Paul Bourdelais07/2023
4663(112*10^127324+17)/3127326Robert Price03/2020
466429565^20252+20252^29565127321Hans Havermann03/2021
4665fibonacci(609165)-3127308Jon Grantham08/2023
4667(F(5)^182099-F(4)^182099)/F(3)127282Wayne Halsdorf08/2013
4666(5^182099-3^182099)/2127282Kellen Shenton05/2022
4668(16*10^127259+197)/3127260Robert Price04/2019
4669(26*10^127240+61)/3127241Robert Price10/2019
4670(234483*27^88884-145)/26127230Curtis Bright05/2015
46712^422515-114997127190Enzo Doria06/2015
46725*10^127179-3127180Robert Price07/2015
467331678^10343+10343^31678127176Hans Havermann03/2021
4674(44*10^127169-233)/9127170Robert Price01/2019
467534947^4352+4352^34947127162Hans Havermann03/2021
46766*10^127158+19127159Robert Price11/2021
467730469^14902+14902^30469127155Hans Havermann03/2021
46785*10^127153+77127154Robert Price12/2018
467929941^17620+17620^29941127130Hans Havermann02/2021
468031607^10516+10516^31607127119Hans Havermann03/2021
4681(19*10^127118-97)/3127119Robert Price10/2021
4682(29*10^127111+691)/9127112Robert Price08/2021
4683736^44335+44335^736127104Norbert Schneider07/2019
468433040^7023+7023^33040127090Hans Havermann03/2021
4685(4*10^127081+167)/9127081Robert Price03/2022
468629748^18661+18661^29748127052Hans Havermann03/2021
468727905^28578-28578^27905127049Frank Doornink03/2024
4688-516776642557847117490*Bern(37960)/34256837217082767928421792453127042Thomas Ritschel06/2017
4689(78^67141-1)/77127036Paul Bourdelais09/2017
4690(14*10^127014-137)/3127015Robert Price04/2021
469131436^10965+10965^31436127002Hans Havermann03/2021
469228905^24758+24758^28905127001Hans Havermann03/2021
46932^421860-113285126993Enzo Doria07/2014
4694(10^127030+7)/81234833/9230384921/6092460488946445358851126991Alfred Reich07/2021
4695(2^421827-7)/11126982Lelio R Paula05/2015
469626268^28729-28729^26268126966Frank Doornink03/2024
469711^121910-840126957Enzo Doria12/2012
4698(56*10^126935+187)/9126936Robert Price10/2021
469928915^24538+24538^28915126933Hans Havermann03/2021
4700(29*10^126928-77)/3126929Robert Price02/2020
4701(259*10^126919-1)/3126921Robert Price12/2020
470210^126919+204567126920Patrick De Geest05/2021
4703(2^421617+100280245065)126920Paul Bourdelais05/2022
470410^126919-100001126919Robert Price07/2020
470528340^28503+28503^28340126907Norbert Schneider02/2021
47062^421534-3001935126895Paul Bourdelais07/2023
4707(71^68539+1)/72126882Paul Bourdelais09/2017
4708(5*10^126871-119)/3126872Robert Price03/2018
4709331^50339-10004126846Enzo Doria07/2012
47102^421363-2790757126843Enzo Doria03/2016
4711(106*10^126839-1)/3126841Serge Batalov12/2014
471237938^2203+2203^37938126828Hans Havermann03/2021
4713(13*10^126819+77)/9126820Robert Price07/2022
4714(7*2^421243+1)/39126807Lelio R Paula05/2014
4716(14*10^126784-83)/3126785Robert Price12/2018
47152^421169-3001935126785Paul Bourdelais07/2023
47172^421161-286183126783Enzo Doria06/2015
471826733^28628-28628^26733126738Frank Doornink03/2024
4719(106*10^126726+17)/3126728Robert Price04/2021
472030718^13347+13347^30718126724Hans Havermann03/2021
47212^420939-113935126716Enzo Doria10/2014
472211*23^93048+356126708Eric Chen08/2023
4723177^56363-2126703Lelio R Paula10/2017
47242^420741-113659126656Enzo Doria08/2014
47252^420694-21126642Lelio R Paula05/2017
4726(13*10^126638+437)/9126639Robert Price04/2018
4727(167*10^126637-17)/3126639Robert Price03/2020
47284*10^126625+87126626Robert Price08/2018
4729(31*2^420556+1)/7126601Lelio R Paula05/2014
47307*10^126600-99126601Robert Price06/2019
47312^420424-59189126561Enzo Doria10/2015
473228717^25534+25534^28717126560Hans Havermann03/2021
4733(86*10^126542+103)/9126543Robert Price12/2021
4734(19*10^126517-7)/3126518Robert Price12/2023
473528922^23655+23655^28922126503Hans Havermann03/2021
47362^420126+71893126471Enzo Doria04/2016
473725982^28643-28643^25982126450Frank Doornink03/2024
4738(43*10^126441+47)/9126442Robert Price12/2018
47398*10^126408+71126409Robert Price05/2022
47402^419866+1877059126393Enzo Doria07/2016
474129315^20484+20484^29315126390Hans Havermann03/2021
474229433^19676+19676^29433126384Hans Havermann03/2021
4743F(604711)126377Henri Lifchitz02/2005
47442^419757+72707126360Enzo Doria04/2016
47452^419720-21569126349Enzo Doria07/2013
47462^419637+29126324Henri Lifchitz02/2006
474731004^11865+11865^31004126319Hans Havermann03/2021
47482^419612+1876741126316Enzo Doria07/2016
47492^419520+2793271126289Enzo Doria03/2016
4750(2^419447-5)/369126264Lelio R Paula05/2014


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Created by  Henri Lifchitz & Renaud Lifchitz : October, 26 2000, last modification: May, 05 2024 11:19 (Time in France)

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