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
678521329Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
4063146512611651629112168.52018-05-23 21:37:39
History
DateUserTypeResult
2018-05-23ConductorF
Factor: 406314651261165162911 / TF: 68-69
2016-12-09ANONYMOUSNF
no factor from 2^67 to 2^68
2014-07-22sasakiNF
no factor from 2^66 to 2^67
2014-01-12sasakiNF
no factor from 2^65 to 2^66
2012-01-28sasaki3NF
no factor from 2^64 to 2^65