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
678940651Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
4569982609374685834012168.62018-05-26 05:49:15
History
DateUserTypeResult
2018-05-26ConductorF
Factor: 456998260937468583401 / TF: 68-69
2016-10-23ANONYMOUSNF
no factor from 2^67 to 2^68
2014-07-17sasakiNF
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