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
694650881Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
3206581287378538776232168.12017-07-04 20:58:27
History
DateUserTypeResult
2017-07-04ConductorF
Factor: 320658128737853877623 / TF: 68-69
2014-09-12sasakiNF
no factor from 2^66 to 2^68
2013-12-06sasakiNF
no factor from 2^65 to 2^66