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
673475993Factored
FactorDigitsBitsDate
4217626920116728313292168.52018-04-14 10:34:02
History
DateUserTypeResult
2018-04-14ConductorF
Factor: 421762692011672831329 / TF: 68-69
2017-01-04NoPolarBearsHereNF
no factor from 2^67 to 2^68
2014-07-08sasakiNF
no factor from 2^66 to 2^67
2013-12-30sasakiNF
no factor from 2^65 to 2^66