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

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MnStatusDetails
667500499Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
4515719446751486940712168.62018-03-10 18:42:40
History
DateUserTypeResult
2018-03-10ConductorF
Factor: 451571944675148694071 / TF: 68-69
2017-02-14sasakiNF
no factor from 2^67 to 2^68
2014-05-14sasakiNF
no factor from 2^66 to 2^67
2013-04-16ramgeisNF
no factor from 2^65 to 2^66
2011-10-24laleraNF
no factor from 2^64 to 2^65
2010-06-23Architects CubedNF
no factor from 2^63 to 2^64