Marin Mersenne 2^P-1
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Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

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MnStatusDetails
2310137TF
No factors below 270
TF target 262
TF below 2^73 is very unlikely to find new factors due to ECM effort.
P-1
B1 = 12500000
B2 = 36695068410
ECM
DigitsB1Curves
2550000203 / 280
Estimated T-Level: 23.6 ⓘ
LL
StatusDateUserResidueShift
VerifiedEdesio Costa e Silva87C0C4C9002CC1790
BadEdesio Costa e Silva2C7A2C878DA3B5740
Verified1999-04-23Soh Kok Hong87C0C4C9002CC179843621
Verified2018-05-03kkmrkkblmbrbk87C0C4C9002CC179846711
History
DateUserTypeResult
2023-06-06JossNF-PM1
B1=1000000, B2=4523127840
2023-06-05Sid & AndyNF-PM1
B1=12500000, B2=36695068410
2023-02-22JossNF-PM1
B1=1000000, B2=857695020
2022-11-13Architects CubedNF
no factor from 2^69 to 2^70
2021-07-12TJAOINF
no factor from 2^68 to 2^69
2019-04-29TJAOINF
no factor from 2^67 to 2^68
2018-05-03kkmrkkblmbrbkC-LL
87C0C4C9002CC179
2018-01-15Sid & AndyNF-PM1
B1=6000000, B2=180000000, E=12
2017-05-30Gordon SpenceNF
no factor from 2^66 to 2^67
2016-02-23Mark RoseNF
no factor from 2^1 to 2^60
2015-10-22ramgeisNF
no factor from 2^65 to 2^66
2015-03-03VictordeHollanderNF
no factor from 2^64 to 2^65
2015-03-03VictordeHollanderNF
no factor from 2^63 to 2^64
2013-01-23dbaughNF
no factor from 2^62 to 2^63
2012-05-23Sebastian HornbostelNF
no factor from 2^61 to 2^62
2010-02-15BudNF-PM1
B1=500000, B2=10000000, E=12
2009-01-14Sturle SundeNF
no factor from 2^60 to 2^61