Marin Mersenne 2^P-1
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GIMPS
Finding World Record Primes Since 1996

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MnStatusDetails
447895717Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
6768415898748797160312169.22019-02-28 17:39:50
History
DateUserTypeResult
2019-02-28ConductorF
Factor: 676841589874879716031 / TF: 69-70
2018-01-27sasakiNF
no factor from 2^68 to 2^69
2016-02-10sasakiNF
no factor from 2^66 to 2^68
2014-09-03tscNF
no factor from 2^65 to 2^66