Marin Mersenne 2^P-1
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Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

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MnStatusDetails
673900369Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
3928034387320496509932168.42018-04-17 04:28:23
History
DateUserTypeResult
2018-04-17ConductorF
Factor: 392803438732049650993 / TF: 68-69
2017-01-03NoPolarBearsHereNF
no factor from 2^67 to 2^68
2014-07-12sasakiNF
no factor from 2^66 to 2^67
2013-12-28sasakiNF
no factor from 2^65 to 2^66