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
800408177Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
18770959465370465707612270.72019-12-01 20:30:18
History
DateUserTypeResult
2019-12-01ConductorF
Factor: 1877095946537046570761 / TF: 70-71
2016-08-16ramgeisNF
no factor from 2^68 to 2^70
2015-05-04sasakiNF
no factor from 2^67 to 2^68
2014-11-08sasakiNF
no factor from 2^66 to 2^67
2013-10-17america64NF
no factor from 2^65 to 2^66
2010-09-29Architects CubedNF
no factor from 2^64 to 2^65