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
184231231Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
20289774812891259078012270.82019-05-23 15:00:10
History
DateUserTypeResult
2019-05-23Samuel SchmidtF
Factor: 2028977481289125907801 / TF: 70-71
2018-05-04RuzovejNF
no factor from 2^69 to 2^70
2017-06-18Sam DupuisNF
no factor from 2^68 to 2^69
2016-07-14rubikvn2100NF
no factor from 2^67 to 2^68
2015-08-07vwflat4NF
no factor from 2^66 to 2^67
2013-05-15tscNF
no factor from 2^65 to 2^66
2011-03-28oodairaNF
no factor from 2^64 to 2^65
2010-07-30RichardNF
no factor from 2^63 to 2^64