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
672109877Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
3804798687225977632972168.42018-04-04 13:31:31
History
DateUserTypeResult
2018-04-04ConductorF
Factor: 380479868722597763297 / TF: 68-69
2017-01-08NoPolarBearsHereNF
no factor from 2^67 to 2^68
2014-07-08sasakiNF
no factor from 2^66 to 2^67
2013-04-21ramgeisNF
no factor from 2^65 to 2^66
2012-01-25OS1NF
no factor from 2^64 to 2^65
2010-07-26Architects CubedNF
no factor from 2^63 to 2^64