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
189146959Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
5099149874287479876232168.82017-07-29 16:29:44
History
DateUserTypeResult
2025-03-15James HeinrichF
Factor: 509914987428747987623 / TF: 68-70
2017-07-29ConductorF
Factor: 509914987428747987623 / TF: 68-69
2016-07-31johnsilverNF
no factor from 2^67 to 2^68
2015-08-24Jan KuipersNF
no factor from 2^66 to 2^67
2013-06-01sasaki3NF
no factor from 2^65 to 2^66
2011-04-07tscNF
no factor from 2^64 to 2^65
2010-08-02Devin CampbellNF
no factor from 2^63 to 2^64