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
660165479Factored
FactorDigitsBitsDate
4125291720316915573512168.52018-02-08 12:08:40
History
DateUserTypeResult
2018-02-08ConductorF
Factor: 412529172031691557351 / TF: 68-69
2017-02-01sasakiNF
no factor from 2^67 to 2^68
2014-03-11sasakiNF
no factor from 2^66 to 2^67
2013-12-15sasakiNF
no factor from 2^65 to 2^66
2012-01-22Alben WeeksNF
no factor from 2^64 to 2^65