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
678219593Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
4136552922881632075672168.52018-05-21 20:47:27
History
DateUserTypeResult
2018-05-21ConductorF
Factor: 413655292288163207567 / TF: 68-69
2016-12-03ANONYMOUSNF
no factor from 2^67 to 2^68
2014-07-20sasakiNF
no factor from 2^66 to 2^67
2014-01-12sasakiNF
no factor from 2^65 to 2^66
2012-01-27OS1NF
no factor from 2^64 to 2^65