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
262242257Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
1354476908945853187132166.92015-12-23 05:59:05
History
DateUserTypeResult
2015-12-23ConductorF
Factor: 135447690894585318713 / TF: 66-67
2013-11-26Yan Ruimin ChinaNF
no factor from 2^65 to 2^66
2011-08-14sasaki3NF
no factor from 2^64 to 2^65
2010-03-16lindedNF
no factor from 2^63 to 2^64
2010-03-16lindedNF
no factor from 2^62 to 2^63