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
392920873Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
4158441857575857222792168.52018-05-22 15:56:18
History
DateUserTypeResult
2018-05-22YxinityF
Factor: 415844185757585722279 / TF: 68-70
2017-02-12XolotlNF
no factor from 2^67 to 2^68
2016-04-12tscNF
no factor from 2^66 to 2^67
2014-05-15NickNF
no factor from 2^65 to 2^66
2010-05-02Architects CubedNF
no factor from 2^64 to 2^65