Marin Mersenne 2^P-1
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Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

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MnStatusDetails
199563373Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
72516598575758622240792272.62020-03-17 10:24:28
History
DateUserTypeResult
2024-03-03James HeinrichNF
no factor from 2^68 to 2^72
2020-03-17Andrew GF
Factor: 7251659857575862224079 / TF: 72-73
2020-03-16La GüiraNF
no factor from 2^71 to 2^72
2019-02-10Niels_Mache_NextcloudNF
no factor from 2^70 to 2^71
2018-08-14YxinityNF
no factor from 2^69 to 2^70
2017-10-04Doug RheaNF
no factor from 2^68 to 2^69
2017-09-24proxy2222NF
no factor from 2^68 to 2^69
2016-06-24XZTNF
no factor from 2^67 to 2^68
2015-09-20rob147147NF
no factor from 2^66 to 2^67
2013-07-10sasaki3NF
no factor from 2^65 to 2^66
2011-04-28Mr-PlonkNF
no factor from 2^64 to 2^65
2010-09-101997rj7NF
no factor from 2^63 to 2^64