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
447655301Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
6174444253820396524092169.12019-02-18 14:21:34
History
DateUserTypeResult
2019-02-18ConductorF
Factor: 617444425382039652409 / TF: 69-70
2018-02-02sasakiNF
no factor from 2^68 to 2^69
2016-02-03sasakiNF
no factor from 2^66 to 2^68
2014-09-04RichardNF
no factor from 2^65 to 2^66