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
672161911Factored
FactorDigitsBitsDate
3919508474426905253592168.42018-04-04 19:27:08
History
DateUserTypeResult
2018-04-04ConductorF
Factor: 391950847442690525359 / TF: 68-69
2017-01-08NoPolarBearsHereNF
no factor from 2^67 to 2^68
2014-07-08sasakiNF
no factor from 2^66 to 2^67
2013-04-21ramgeisNF
no factor from 2^65 to 2^66
2012-01-25lindedNF
no factor from 2^64 to 2^65
2010-07-23Architects CubedNF
no factor from 2^63 to 2^64