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
665803979Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
4104427328599861896172168.52018-03-04 15:54:31
History
DateUserTypeResult
2018-03-04ConductorF
Factor: 410442732859986189617 / TF: 68-69
2011-10-09laleraNF
no factor from 2^67 to 2^68
2011-06-28laleraNF
no factor from 2^66 to 2^67
2011-06-27laleraNF
no factor from 2^64 to 2^66
2010-06-23Architects CubedNF
no factor from 2^63 to 2^64