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
248999497Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
4076224262289988621132168.52018-05-26 13:24:11
History
DateUserTypeResult
2018-05-26ConductorF
Factor: 407622426228998862113 / TF: 68-69
2016-10-24rubikvn2100NF
no factor from 2^67 to 2^68
2015-12-14el groccoNF
no factor from 2^66 to 2^67
2013-10-31tscNF
no factor from 2^65 to 2^66
2011-07-23ALSNF
no factor from 2^64 to 2^65