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
660653489Factored
FactorDigitsBitsDate
3285402774942628825372168.22018-02-10 13:21:46
History
DateUserTypeResult
2018-02-10ConductorF
Factor: 328540277494262882537 / TF: 68-69
2017-02-01sasakiNF
no factor from 2^67 to 2^68
2014-03-21sasakiNF
no factor from 2^66 to 2^67
2013-12-18sasakiNF
no factor from 2^65 to 2^66