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
970709149Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
4884176095173261528412168.72016-09-22 20:55:38
History
DateUserTypeResult
2016-09-22Sergey KomolovF
Factor: 488417609517326152841 / TF: 68-69
2016-05-11monstNF
no factor from 2^67 to 2^68
2015-02-08Gordon SpenceNF
no factor from 2^66 to 2^67
2012-07-15lindedNF
no factor from 2^65 to 2^66
2011-01-08lindedNF
no factor from 2^64 to 2^65