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
277746353Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
13151626615749194389512270.22019-10-12 17:31:04
History
DateUserTypeResult
2019-10-12ConductorF
Factor: 1315162661574919438951 / TF: 70-71
2019-09-17proxy2222NF
no factor from 2^69 to 2^70
2018-07-09Chabot PrimeNF
no factor from 2^68 to 2^69
2016-11-06XolotlNF
no factor from 2^67 to 2^68
2016-01-14Math_is_pureNF
no factor from 2^66 to 2^67
2013-12-08haphaeuNF
no factor from 2^65 to 2^66
2011-09-09CorbyguyNF
no factor from 2^64 to 2^65
2010-04-04sasaki3NF
no factor from 2^63 to 2^64
2010-04-04sasaki3NF
no factor from 2^62 to 2^63