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

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MnStatusDetails
673258669Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
4004194186537079126892168.42018-04-13 14:59:36
History
DateUserTypeResult
2018-04-13ConductorF
Factor: 400419418653707912689 / TF: 68-69
2017-01-05NoPolarBearsHereNF
no factor from 2^67 to 2^68
2014-07-11sasakiNF
no factor from 2^66 to 2^67
2013-04-18ramgeisNF
no factor from 2^65 to 2^66
2012-01-25KYOJI_KAMEINF
no factor from 2^64 to 2^65
2010-07-27Architects CubedNF
no factor from 2^63 to 2^64