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
262279657Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
1049973811148321917512166.52015-12-24 18:07:18
History
DateUserTypeResult
2015-12-24ConductorF
Factor: 104997381114832191751 / TF: 66-67
2014-05-24riccardo ubertiNF
no factor from 2^65 to 2^66
2011-08-14Architects CubedNF
no factor from 2^64 to 2^65
2010-03-16sasaki3NF
no factor from 2^63 to 2^64
2010-03-16sasaki3NF
no factor from 2^62 to 2^63