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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Exponent Range:










MnStatusDetails
9095837Factored
FactorDigitsBitsDate
64031678699083072709542732582.42022-08-14 14:58:43
ECM
DigitsB1Curves
25500003 / 280
Estimated T-Level: 20.1 ⓘ
TF below 2^62 is very unlikely to find new factors due to ECM effort.
LL
StatusDateUserResidueShift
Verified (Factored)2000-11-05Wayne Beardsley3BF94CC51E2DF0262462452
Verified (Factored)2003-07-21David Mitchell3BF94CC51E2DF0261274298
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified2022-08-18LordJulius95EDE381120B81E81769014953
P-1 factors
DateFactorB1B2
2022-08-14640316786990830727095427320000004771857090
History
DateUserTypeResult
2022-08-18GhiloarCERT
PRP Certification
Proof certified good
2022-08-18LordJuliusC-PRP
M9095837/6403167869908307270954273 : 95EDE381120B81E8
PRP proof power = 8
PRP: Verified
Proof certified good
2022-08-14ThaF-PM1
Factor: 6403167869908307270954273 / (P-1, B1=2000000, B2=4771857090)
2021-11-08mikrNF
no factor from 2^70 to 2^71
2021-05-04-Anonymous-NF
no factor from 2^69 to 2^70
2019-11-15TJAOINF
no factor from 2^68 to 2^69
2017-01-26snme2pm1NF
no factor from 2^67 to 2^68
2016-03-27snme2pm1NF
no factor from 2^66 to 2^67
2015-05-17VictordeHollanderNF
no factor from 2^65 to 2^66
2013-09-14NesowaNF
no factor from 2^64 to 2^65
2012-07-03Squeeky_SquirrelNF-PM1
B1=170000, B2=3655000, E=6