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
277442509Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
26065737376353525732712271.12019-09-19 17:26:54
History
DateUserTypeResult
2019-09-19ConductorF
Factor: 2606573737635352573271 / TF: 71-72
2019-09-19ConductorNF
no factor from 2^70 to 2^71
2019-09-19ConductorNF
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
2016-01-14mikeblasNF
no factor from 2^66 to 2^67
2013-12-07GrunwalderGIMPNF
no factor from 2^65 to 2^66
2011-09-09RichardNF
no factor from 2^64 to 2^65
2010-04-04subgeniusNF
no factor from 2^63 to 2^64
2010-04-04subgeniusNF
no factor from 2^62 to 2^63