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
970279559Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
4189104292347164138172168.52016-09-02 20:50:49
History
DateUserTypeResult
2016-09-02Sergey KomolovF
Factor: 418910429234716413817 / TF: 68-69
2016-04-19monstNF
no factor from 2^67 to 2^68
2015-02-07Gordon SpenceNF
no factor from 2^66 to 2^67
2012-07-18lindedNF
no factor from 2^65 to 2^66
2011-01-06lindedNF
no factor from 2^64 to 2^65
2010-03-24lindeeNF
no factor from 2^63 to 2^64