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
677919329Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
4045271689397365141932168.52018-05-20 16:44:32
History
DateUserTypeResult
2018-05-20ConductorF
Factor: 404527168939736514193 / TF: 68-69
2016-12-14NoPolarBearsHereNF
no factor from 2^67 to 2^68
2014-08-02sasakiNF
no factor from 2^66 to 2^67
2014-01-10sasakiNF
no factor from 2^65 to 2^66