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
801307783Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
19575072470730612246172270.72020-01-23 20:37:58
History
DateUserTypeResult
2020-01-23ConductorF
Factor: 1957507247073061224617 / TF: 70-71
2011-07-09James HeinrichNF
no factor from 2^64 to 2^70
2010-07-07Architects CubedNF
no factor from 2^63 to 2^64