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
277238371Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
10178634373578191972872269.82019-07-19 19:41:47
History
DateUserTypeResult
2019-07-19ConductorF
Factor: 1017863437357819197287 / TF: 69-70
2018-07-09ANONYMOUSNF
no factor from 2^68 to 2^69
2016-11-05BrionHNF
no factor from 2^67 to 2^68
2016-01-14TrumpfPuurNF
no factor from 2^66 to 2^67
2013-12-07-Anonymous-NF
no factor from 2^65 to 2^66
2011-09-08Piotrek2234NF
no factor from 2^64 to 2^65
2010-04-04garoNF
no factor from 2^63 to 2^64
2010-04-04garoNF
no factor from 2^62 to 2^63