Marin Mersenne 2^P-1
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GIMPS
Finding World Record Primes Since 1996

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MnStatusDetails
277315151Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
6864493493665345608472169.22019-08-16 18:07:11
History
DateUserTypeResult
2019-08-16ConductorF
Factor: 686449349366534560847 / TF: 69-70
2018-07-08Chabot PrimeNF
no factor from 2^68 to 2^69
2016-11-05tmorrowNF
no factor from 2^67 to 2^68
2016-01-14Math_is_pureNF
no factor from 2^66 to 2^67
2013-12-07HardyP GermanyNF
no factor from 2^65 to 2^66
2011-09-08ALSNF
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