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
392989111Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
6812619630482591400072169.22018-05-21 17:04:07
History
DateUserTypeResult
2018-05-21YxinityF
Factor: 681261963048259140007 / TF: 68-70
2017-01-16Alex_soldierNF
no factor from 2^67 to 2^68
2016-04-11pjwrightNF
no factor from 2^66 to 2^67
2014-05-14Arne KleppestrandNF
no factor from 2^65 to 2^66
2010-05-02Architects CubedNF
no factor from 2^64 to 2^65