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
562002187Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
2043238279301802267112167.52016-11-09 16:40:06
History
DateUserTypeResult
2016-11-09ConductorF
Factor: 204323827930180226711 / TF: 67-68
2015-11-04sasakiNF
no factor from 2^66 to 2^67
2014-05-26sasakiNF
no factor from 2^65 to 2^66
2012-01-06sasaki3NF
no factor from 2^64 to 2^65
2010-03-05Architects CubedNF
no factor from 2^63 to 2^64