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
801405403Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
19763854373716592762332270.72020-01-25 19:36:46
History
DateUserTypeResult
2020-01-25ConductorF
Factor: 1976385437371659276233 / TF: 70-71
2012-05-29James HeinrichNF
no factor from 2^69 to 2^70
2012-04-12James HeinrichNF
no factor from 2^65 to 2^69
2010-10-25Architects CubedNF
no factor from 2^64 to 2^65
2010-07-07Architects CubedNF
no factor from 2^63 to 2^64