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
686746993Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
5418119986375163259592168.92018-07-01 03:42:29
History
DateUserTypeResult
2018-07-01ConductorF
Factor: 541811998637516325959 / TF: 68-69
2016-12-02NoPolarBearsHereNF
no factor from 2^67 to 2^68
2014-08-06sasakiNF
no factor from 2^66 to 2^67
2014-02-10america64NF
no factor from 2^65 to 2^66