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
281514691Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
10134058943419338117432269.82019-07-22 22:49:56
History
DateUserTypeResult
2025-03-18James HeinrichF
Factor: 1013405894341933811743 / TF: 69-70
2019-07-22Alexander TsupkoF
Factor: 1013405894341933811743 / TF: 69-70
2018-07-13Niels_Mache_NextcloudNF
no factor from 2^68 to 2^69
2016-11-13rubikvn2100NF
no factor from 2^67 to 2^68
2016-01-21StijnNF
no factor from 2^66 to 2^67
2013-12-12Arne KleppestrandNF
no factor from 2^65 to 2^66
2011-09-16Damian SilvestreNF
no factor from 2^64 to 2^65
2010-04-08James HintzNF
no factor from 2^63 to 2^64
2010-04-08James HintzNF
no factor from 2^62 to 2^63