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
277078513Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
27203579306342706047532271.22019-06-17 17:00:25
History
DateUserTypeResult
2019-06-17ConductorF
Factor: 2720357930634270604753 / TF: 71-72
2019-06-17ConductorNF
no factor from 2^70 to 2^71
2019-06-17ConductorNF
no factor from 2^69 to 2^70
2018-07-08Chabot PrimeNF
no factor from 2^68 to 2^69
2016-11-05ANONYMOUSNF
no factor from 2^67 to 2^68
2016-01-13johnsilverNF
no factor from 2^66 to 2^67
2013-12-06subgeniusNF
no factor from 2^65 to 2^66
2011-09-08sasaki3NF
no factor from 2^64 to 2^65
2010-04-03carlos56NF
no factor from 2^63 to 2^64
2010-04-03carlos56NF
no factor from 2^62 to 2^63