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
678028331Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
3959590454070166024792168.42018-05-21 05:10:19
History
DateUserTypeResult
2018-05-21ConductorF
Factor: 395959045407016602479 / TF: 68-69
2016-11-24ANONYMOUSNF
no factor from 2^67 to 2^68
2014-08-03sasakiNF
no factor from 2^66 to 2^67
2014-01-10sasakiNF
no factor from 2^65 to 2^66
2012-01-27mmNF
no factor from 2^64 to 2^65