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
388105283Factored
FactorDigitsBitsDate
15535432549249428625512270.42020-01-20 04:38:02
History
DateUserTypeResult
2020-01-20Smok_bmv F
Factor: 1553543254924942862551 / TF: 70-71*
2017-03-11mikrNF
no factor from 2^68 to 2^70
2017-02-05ANONYMOUSNF
no factor from 2^67 to 2^68
2016-04-11DerekNF
no factor from 2^66 to 2^67
2014-05-04tscNF
no factor from 2^65 to 2^66
2011-04-24Architects CubedNF
no factor from 2^64 to 2^65