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
672722717Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
5422119808305452380492168.92018-04-08 07:02:34
History
DateUserTypeResult
2018-04-08ConductorF
Factor: 542211980830545238049 / TF: 68-69
2017-01-06NoPolarBearsHereNF
no factor from 2^67 to 2^68
2014-07-08sasakiNF
no factor from 2^66 to 2^67
2013-12-26sasakiNF
no factor from 2^65 to 2^66