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
277413209Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
17560611035109778774872270.62019-09-14 16:32:33
History
DateUserTypeResult
2019-09-14ConductorF
Factor: 1756061103510977877487 / TF: 70-71
2019-09-14ConductorNF
no factor from 2^69 to 2^70
2018-07-08Chabot PrimeNF
no factor from 2^68 to 2^69
2016-11-06Mr-PlonkNF
no factor from 2^67 to 2^68
2016-01-14ANONYMOUSNF
no factor from 2^66 to 2^67
2013-12-07Grant McCrackenNF
no factor from 2^65 to 2^66
2011-09-09RichardNF
no factor from 2^64 to 2^65
2010-04-09benthomasNF
no factor from 2^63 to 2^64
2010-04-09benthomasNF
no factor from 2^62 to 2^63