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

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MnStatusDetails
447370381Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
9793937292749517917532169.72019-02-06 17:07:37
History
DateUserTypeResult
2019-02-06ConductorF
Factor: 979393729274951791753 / TF: 69-70
2018-01-31sasakiNF
no factor from 2^68 to 2^69
2016-02-10sasakiNF
no factor from 2^66 to 2^68
2014-09-04Grant McCrackenNF
no factor from 2^65 to 2^66
2011-11-25Jud McCranieNF
no factor from 2^64 to 2^65
2010-03-23Architects CubedNF
no factor from 2^63 to 2^64