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
677863867Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
4291848365795645306392168.52018-05-20 13:07:17
History
DateUserTypeResult
2018-05-20ConductorF
Factor: 429184836579564530639 / TF: 68-69
2016-12-17NoPolarBearsHereNF
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