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
249421961Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
5726581509274794226812169.02018-05-29 12:22:09
History
DateUserTypeResult
2025-03-14James HeinrichF
Factor: 572658150927479422681 / TF: 68-70
2018-05-29Stanislav_KhokhrinF
Factor: 572658150927479422681 / TF: 68-69
2016-10-22rmaximusNF
no factor from 2^67 to 2^68
2015-12-14brainboostNF
no factor from 2^66 to 2^67
2013-11-03RichardNF
no factor from 2^65 to 2^66
2011-07-24Andrew BNF
no factor from 2^64 to 2^65