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
385931239Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
2975280518818217635372168.02018-05-25 05:19:27
History
DateUserTypeResult
2018-05-25YxinityF
Factor: 297528051881821763537 / TF: 68-70
2017-02-04XolotlNF
no factor from 2^67 to 2^68
2016-04-10DerekNF
no factor from 2^66 to 2^67
2014-04-29tscNF
no factor from 2^65 to 2^66
2011-02-28Architects CubedNF
no factor from 2^64 to 2^65