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
489197101Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
3948190375030633623132168.42018-05-28 15:46:32
History
DateUserTypeResult
2018-05-28YxinityF
Factor: 394819037503063362313 / TF: 68-70
2016-07-06sasakiNF
no factor from 2^67 to 2^68
2016-04-01sasakiNF
no factor from 2^66 to 2^67
2014-10-22Andrew BNF
no factor from 2^65 to 2^66
2011-12-17sasaki3NF
no factor from 2^64 to 2^65
2010-04-02Architects CubedNF
no factor from 2^63 to 2^64