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
248471053Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
4191844500842552798812168.52018-05-26 19:22:00
History
DateUserTypeResult
2025-03-14James HeinrichF
Factor: 419184450084255279881 / TF: 68-70
2018-05-26Stanislav_KhokhrinF
Factor: 419184450084255279881 / TF: 68-69
2016-10-20ANONYMOUSNF
no factor from 2^67 to 2^68
2015-12-13tscNF
no factor from 2^66 to 2^67
2013-11-01Yan Ruimin ChinaNF
no factor from 2^65 to 2^66
2011-07-23Andrew BNF
no factor from 2^64 to 2^65