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
685610161Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
4384983757381845071992168.62018-06-25 20:58:12
History
DateUserTypeResult
2018-06-25ConductorF
Factor: 438498375738184507199 / TF: 68-69
2016-12-10NoPolarBearsHereNF
no factor from 2^67 to 2^68
2014-08-04sasakiNF
no factor from 2^66 to 2^67
2014-02-08sasakiNF
no factor from 2^65 to 2^66