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
802588483Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
19773858337794663144732270.72020-02-28 12:48:39
History
DateUserTypeResult
2020-02-28ConductorF
Factor: 1977385833779466314473 / TF: 70-71
2016-08-28ramgeisNF
no factor from 2^68 to 2^70
2015-05-06sasakiNF
no factor from 2^67 to 2^68
2014-11-21sasakiNF
no factor from 2^66 to 2^67
2012-02-08OS1NF
no factor from 2^65 to 2^66
2012-02-08OS1NF
no factor from 2^64 to 2^65
2010-07-03Architects CubedNF
no factor from 2^63 to 2^64