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

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MnStatusDetails
668178211Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
4982964408231378898972168.82018-03-13 15:34:00
History
DateUserTypeResult
2018-03-13ConductorF
Factor: 498296440823137889897 / TF: 68-69
2017-02-09NoPolarBearsHereNF
no factor from 2^67 to 2^68
2014-05-17sasakiNF
no factor from 2^66 to 2^67
2013-04-17ramgeisNF
no factor from 2^65 to 2^66
2011-10-12laleraNF
no factor from 2^64 to 2^65
2010-06-07Architects CubedNF
no factor from 2^63 to 2^64