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
246263657Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
2608253939716775886492167.82016-10-16 03:11:16
History
DateUserTypeResult
2016-10-16Mikhail E. GolosovF
Factor: 260825393971677588649 / TF: 67-68
2015-12-11SADMASTERNF
no factor from 2^66 to 2^67
2014-04-25HardyP GermanyNF
no factor from 2^65 to 2^66
2011-07-19ALSNF
no factor from 2^64 to 2^65