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
801400399Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
16636637243690551177192270.52020-01-25 19:36:37
History
DateUserTypeResult
2020-01-25ConductorF
Factor: 1663663724369055117719 / TF: 70-71
2011-12-27James HeinrichNF
no factor from 2^64 to 2^70
2010-07-07Architects CubedNF
no factor from 2^63 to 2^64