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
801812899Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
21261894946050698069212270.82020-02-06 20:09:07
History
DateUserTypeResult
2020-02-06ConductorF
Factor: 2126189494605069806921 / TF: 70-71
2012-08-07James HeinrichNF
no factor from 2^69 to 2^70
2012-04-26James HeinrichNF
no factor from 2^68 to 2^69
2011-09-11James HeinrichNF
no factor from 2^64 to 2^68
2010-07-07Architects CubedNF
no factor from 2^63 to 2^64