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
299260147Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
1919250019897633138972167.42016-12-03 22:34:59
History
DateUserTypeResult
2016-12-03demfloroF
Factor: 191925001989763313897 / TF: 67-68
2015-01-19Gordon SpenceNF
no factor from 2^66 to 2^67
2014-07-02tscNF
no factor from 2^65 to 2^66
2011-10-10RichardNF
no factor from 2^64 to 2^65
2010-05-28Architects CubedNF
no factor from 2^63 to 2^64