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
976000321Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
4084029971097595196572168.52016-10-27 13:17:03
History
DateUserTypeResult
2016-10-27ConductorF
Factor: 408402997109759519657 / TF: 68-71
2016-02-24ANONYMOUSNF
no factor from 2^67 to 2^68
2015-02-21Gordon SpenceNF
no factor from 2^66 to 2^67
2012-05-13lindedNF
no factor from 2^65 to 2^66
2010-12-03lindedNF
no factor from 2^64 to 2^65
2010-04-17Rob_DeeNF
no factor from 2^63 to 2^64