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
277429813Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
9783288031247909877132169.72019-09-17 17:37:38
History
DateUserTypeResult
2019-09-17ConductorF
Factor: 978328803124790987713 / TF: 69-70
2018-07-08Niels_Mache_NextcloudNF
no factor from 2^68 to 2^69
2016-11-06XolotlNF
no factor from 2^67 to 2^68
2016-01-14MadFooterNF
no factor from 2^66 to 2^67
2013-12-07Arne KleppestrandNF
no factor from 2^65 to 2^66
2011-09-08carlos56NF
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