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
185385041Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
21518511355655174529192270.92019-06-05 12:00:27
History
DateUserTypeResult
2019-06-05Samuel SchmidtF
Factor: 2151851135565517452919 / TF: 70-71
2018-10-25FairyNF
no factor from 2^69 to 2^70
2017-07-02rmaximusNF
no factor from 2^68 to 2^69
2016-08-01SummyNF
no factor from 2^67 to 2^68
2015-08-12OS1NF
no factor from 2^66 to 2^67
2013-05-19Broomfield Designers.comNF
no factor from 2^65 to 2^66
2011-04-02RichardNF
no factor from 2^64 to 2^65
2010-07-28Torchwood InstituteNF
no factor from 2^63 to 2^64