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

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MnStatusDetails
674492069Composite: 2 known prime factors
Factored
FactorDigitsBitsDate
4371079893029032891992168.62018-04-20 19:22:41
5490447813154066618072168.92018-04-20 19:22:42
History
DateUserTypeResult
2018-04-20ConductorF
Factor: 549044781315406661807 / TF: 68-69
2018-04-20ConductorF
Factor: 437107989302903289199 / TF: 68-69
2016-12-27NoPolarBearsHereNF
no factor from 2^67 to 2^68
2014-07-10sasakiNF
no factor from 2^66 to 2^67
2013-12-30sasakiNF
no factor from 2^65 to 2^66