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
152901233Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
20198894918754550877032270.82017-05-10 19:30:15
History
DateUserTypeResult
2025-04-24James HeinrichF
Factor: 2019889491875455087703 / TF: 70-71
2017-05-10d3zorgF
Factor: 2019889491875455087703 / TF: 70-71
2017-05-02Johan ViljoenNF
no factor from 2^69 to 2^70
2017-02-26XolotlNF
no factor from 2^68 to 2^69
2016-04-25Dave BellNF
no factor from 2^67 to 2^68
2015-04-01ANONYMOUSNF
no factor from 2^66 to 2^67
2013-01-24Charles A. MorrisNF
no factor from 2^65 to 2^66
2011-01-18Charles A. MorrisNF
no factor from 2^64 to 2^65
2010-07-161997rj7NF
no factor from 2^63 to 2^64