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
447329573Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
6588205282926386072092169.22019-02-05 11:45:55
History
DateUserTypeResult
2019-02-05ConductorF
Factor: 658820528292638607209 / TF: 69-70
2018-01-31sasakiNF
no factor from 2^68 to 2^69
2016-02-10sasakiNF
no factor from 2^66 to 2^68
2014-09-02soldcakeNF
no factor from 2^65 to 2^66
2011-11-26RichardNF
no factor from 2^64 to 2^65
2010-03-23Architects CubedNF
no factor from 2^63 to 2^64