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
279841531Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
1662875124743733561372167.22016-11-11 02:58:20
History
DateUserTypeResult
2016-11-11fraltF
Factor: 166287512474373356137 / TF: 67-68
2016-01-23RichardNF
no factor from 2^66 to 2^67
2014-06-09tscNF
no factor from 2^65 to 2^66
2011-09-13ALSNF
no factor from 2^64 to 2^65
2010-04-07lindedNF
no factor from 2^63 to 2^64
2010-04-07lindedNF
no factor from 2^62 to 2^63