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
199898551Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
45185835466290525533532271.92020-02-13 14:03:02
History
DateUserTypeResult
2024-03-07James HeinrichF
Factor: 4518583546629052553353 / TF: 68-72
2020-02-13Andrew GF
Factor: 4518583546629052553353 / TF: 71-72
2019-02-02Niels_Mache_NextcloudNF
no factor from 2^70 to 2^71
2016-12-08SADMASTERNF
no factor from 2^69 to 2^70
2016-12-08SADMASTERNF
no factor from 2^68 to 2^69
2016-06-14XZTNF
no factor from 2^67 to 2^68
2015-09-21rob147147NF
no factor from 2^66 to 2^67
2013-07-11MucolNF
no factor from 2^65 to 2^66
2011-04-29sasaki3NF
no factor from 2^64 to 2^65
2010-09-061997rj7NF
no factor from 2^63 to 2^64