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
277478251Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
14097562930431301707772270.32019-09-25 15:41:40
History
DateUserTypeResult
2019-09-25ConductorF
Factor: 1409756293043130170777 / TF: 70-71
2019-09-23proxy2222NF
no factor from 2^69 to 2^70
2018-07-08Niels_Mache_NextcloudNF
no factor from 2^68 to 2^69
2016-11-06ANONYMOUSNF
no factor from 2^67 to 2^68
2016-01-14subgeniusNF
no factor from 2^66 to 2^67
2013-12-07tscNF
no factor from 2^65 to 2^66
2011-09-09tscNF
no factor from 2^64 to 2^65
2010-04-04Torchwood InstituteNF
no factor from 2^63 to 2^64
2010-04-04Torchwood InstituteNF
no factor from 2^62 to 2^63