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
253687307Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
8961694341174543535692169.62019-04-11 02:45:29
History
DateUserTypeResult
2025-03-30James HeinrichF
Factor: 896169434117454353569 / TF: 69-70
2019-04-11Alexander TsupkoF
Factor: 896169434117454353569 / TF: 69-70
2018-06-05Niels_Mache_NextcloudNF
no factor from 2^68 to 2^69
2015-06-06caddrNF
no factor from 2^66 to 2^68
2013-11-10RichardNF
no factor from 2^65 to 2^66
2011-07-30GnorfeNF
no factor from 2^64 to 2^65
2010-03-08BOMNF
no factor from 2^63 to 2^64
2010-03-08BOMNF
no factor from 2^62 to 2^63