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
277388471Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
6317297500036921734412169.12019-09-08 19:01:14
History
DateUserTypeResult
2019-09-08ConductorF
Factor: 631729750003692173441 / TF: 69-70
2018-07-08Chabot PrimeNF
no factor from 2^68 to 2^69
2016-11-06AlbyJohnsonNF
no factor from 2^67 to 2^68
2016-01-16ANONYMOUSNF
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
2010-04-04carlos56NF
no factor from 2^63 to 2^64
2010-04-04carlos56NF
no factor from 2^62 to 2^63