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
248637509Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
8495388746584017831612169.52019-03-22 11:15:05
History
DateUserTypeResult
2025-03-20James HeinrichF
Factor: 849538874658401783161 / TF: 69-70
2019-03-22NickF
Factor: 849538874658401783161 / TF: 69-70
2018-05-26Niels_Mache_NextcloudNF
no factor from 2^68 to 2^69
2016-10-20rubikvn2100NF
no factor from 2^67 to 2^68
2015-12-13rmaximusNF
no factor from 2^66 to 2^67
2013-11-05Yan Ruimin ChinaNF
no factor from 2^65 to 2^66
2011-07-23Mr-PlonkNF
no factor from 2^64 to 2^65