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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Exponent Range:










MnStatusDetails
277311721Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
13079612586013822253692270.12019-08-15 16:35:16
History
DateUserTypeResult
2019-08-15ConductorF
Factor: 1307961258601382225369 / TF: 70-71
2019-08-15ConductorNF
no factor from 2^69 to 2^70
2018-07-08Chabot PrimeNF
no factor from 2^68 to 2^69
2016-11-05SummyNF
no factor from 2^67 to 2^68
2016-01-15Jason UNF
no factor from 2^66 to 2^67
2013-12-07Mr-PlonkNF
no factor from 2^65 to 2^66
2011-09-08subgeniusNF
no factor from 2^64 to 2^65
2010-04-04lindedNF
no factor from 2^63 to 2^64
2010-04-04lindedNF
no factor from 2^62 to 2^63