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
280003147Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
1895402488285881936492167.42016-11-05 17:42:03
History
DateUserTypeResult
2016-11-05Alex_soldierF
Factor: 189540248828588193649 / TF: 67-68*
2016-01-19SADMASTERNF
no factor from 2^66 to 2^67
2013-12-14Yan Ruimin ChinaNF
no factor from 2^65 to 2^66
2011-09-13Mr-PlonkNF
no factor from 2^64 to 2^65
2010-05-18Architects CubedNF
no factor from 2^63 to 2^64
2010-04-02carlos56NF
no factor from 2^62 to 2^63