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
153808871Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
22381657444639910613832270.92017-11-14 20:31:53
History
DateUserTypeResult
2025-04-24James HeinrichF
Factor: 2238165744463991061383 / TF: 70-71
2017-11-14yponomarevF
Factor: 2238165744463991061383 / TF: 70-71
2017-04-12rubikvn2100NF
no factor from 2^68 to 2^69
2017-03-14YxinityNF
no factor from 2^69 to 2^70
2017-03-14YxinityNF
no factor from 2^68 to 2^69
2016-04-27ANONYMOUSNF
no factor from 2^67 to 2^68
2015-04-05guruNF
no factor from 2^66 to 2^67
2013-02-02-Anonymous-NF
no factor from 2^65 to 2^66
2011-01-20sasaki3NF
no factor from 2^64 to 2^65
2010-06-25Torchwood InstituteNF
no factor from 2^63 to 2^64