Marin Mersenne 2^P-1
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Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

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MnStatusDetails
277260829Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
37467179582433560480812271.72019-07-26 20:23:37
History
DateUserTypeResult
2019-07-26ConductorF
Factor: 3746717958243356048081 / TF: 71-72
2019-07-26ConductorNF
no factor from 2^70 to 2^71
2019-07-26ConductorNF
no factor from 2^69 to 2^70
2018-07-09Chabot PrimeNF
no factor from 2^68 to 2^69
2016-11-05tscNF
no factor from 2^67 to 2^68
2016-01-14vwflat4NF
no factor from 2^66 to 2^67
2013-12-07Mr-PlonkNF
no factor from 2^65 to 2^66
2011-09-08sasaki3NF
no factor from 2^64 to 2^65
2010-04-03Torchwood InstituteNF
no factor from 2^63 to 2^64
2010-04-03Torchwood InstituteNF
no factor from 2^62 to 2^63