Marin Mersenne 2^P-1
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GIMPS
Finding World Record Primes Since 1996

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MnStatusDetails
38956259Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
250401633560453984534392374.42020-08-16 17:38:54
LL
StatusDateUserResidueShift
Verified (Factored)2007-11-17oxcoda76C618B9C0314C2A17810589
Verified (Factored)2016-10-05Sergey Nosov76C618B9C0314C2A4113107
P-1 factors
DateFactorB1B2
2020-08-1625040163356045398453439103000022917500
History
DateUserTypeResult
2020-08-16Architects CubedF-PM1
Factor: 25040163356045398453439 / (P-1, B1=1030000, B2=22917500, E=12)
2020-02-21-Anonymous-NF
no factor from 2^73 to 2^74
2019-10-11-Anonymous-NF
no factor from 2^72 to 2^73
2019-05-19monstNF
no factor from 2^71 to 2^72
2016-10-05Sergey NosovC-LL
76C618B9C0314C2A
2014-12-07NickOfTimeNF
no factor from 2^70 to 2^71
2014-10-17HBendtzNF
no factor from 2^69 to 2^70
2013-09-02Le ComteNF
no factor from 2^68 to 2^69