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
686806097Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
3475567827904780051272168.22018-07-01 03:43:46
History
DateUserTypeResult
2018-07-01ConductorF
Factor: 347556782790478005127 / TF: 68-69
2016-12-02NoPolarBearsHereNF
no factor from 2^67 to 2^68
2014-08-08sasakiNF
no factor from 2^66 to 2^67
2014-02-11america64NF
no factor from 2^65 to 2^66