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
277288937Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
1630641358025669287192167.12016-11-05 12:27:11
History
DateUserTypeResult
2016-11-05Mikhail E. GolosovF
Factor: 163064135802566928719 / TF: 67-68
2016-01-14rmaximusNF
no factor from 2^66 to 2^67
2013-12-07Mr-PlonkNF
no factor from 2^65 to 2^66
2011-09-08tscNF
no factor from 2^64 to 2^65
2010-04-03sasaki3NF
no factor from 2^63 to 2^64
2010-04-03sasaki3NF
no factor from 2^62 to 2^63