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
183706373Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
28864726537754154805512271.32019-05-15 20:00:22
History
DateUserTypeResult
2024-05-06GregNF
no factor from 2^68 to 2^69
2019-05-15Samuel SchmidtF
Factor: 2886472653775415480551 / TF: 71-72
2018-11-15Torikova_SvetlanaNF
no factor from 2^70 to 2^71
2018-04-08The_MatrixNF
no factor from 2^69 to 2^70
2016-11-20Josh FamestadNF
no factor from 2^68 to 2^69
2016-07-12Mr-PlonkNF
no factor from 2^67 to 2^68
2015-08-06tscNF
no factor from 2^66 to 2^67
2013-05-14-Anonymous-NF
no factor from 2^65 to 2^66
2011-03-29RichardNF
no factor from 2^64 to 2^65
2010-07-26Torchwood InstituteNF
no factor from 2^63 to 2^64