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

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MnStatusDetails
915537331Composite: 2 known prime factors
Factored
FactorDigitsBitsDate
6191579461389092172072169.12017-12-25 13:42:47
10973774131743923518572269.92017-12-25 13:42:47
History
DateUserTypeResult
2017-12-25ConductorF
Factor: 619157946138909217207 / TF: 69-70
2017-12-25ConductorF
Factor: 1097377413174392351857 / TF: 69-70
2017-03-08sasakiNF
no factor from 2^68 to 2^69
2016-07-18ConductorNF
no factor from 2^67 to 2^68
2015-12-08NoPolarBearsHereNF
no factor from 2^66 to 2^67
2013-05-07ramgeisNF
no factor from 2^65 to 2^66
2011-10-04lindedNF
no factor from 2^64 to 2^65
2010-06-24lindedNF
no factor from 2^63 to 2^64