Marin Mersenne 2^P-1
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GIMPS
Finding World Record Primes Since 1996

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MnStatusDetails
280874311Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
2610955550731417566012167.82016-11-11 05:16:07
History
DateUserTypeResult
2016-11-11Mikhail E. GolosovF
Factor: 261095555073141756601 / TF: 67-68
2016-01-19John BurroughsNF
no factor from 2^66 to 2^67
2013-12-11GrunwalderGIMPNF
no factor from 2^65 to 2^66
2011-09-14csabaNF
no factor from 2^64 to 2^65
2010-04-12RichardNF
no factor from 2^63 to 2^64
2010-04-12RichardNF
no factor from 2^62 to 2^63