Marin Mersenne 2^P-1
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GIMPS
Finding World Record Primes Since 1996

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MnStatusDetails
665803291Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
3123560566790308457512168.12018-03-04 15:54:30
History
DateUserTypeResult
2018-03-04ConductorF
Factor: 312356056679030845751 / 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