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

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MnStatusDetails
280839701Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
2656081357617898627992167.82016-11-11 04:06:14
History
DateUserTypeResult
2016-11-11Mikhail E. GolosovF
Factor: 265608135761789862799 / TF: 67-68
2016-01-19BabinoNF
no factor from 2^66 to 2^67
2013-12-12RichardNF
no factor from 2^65 to 2^66
2011-09-14Chris SmithNF
no factor from 2^64 to 2^65
2010-04-09EPFNF
no factor from 2^63 to 2^64
2010-04-09EPFNF
no factor from 2^62 to 2^63