Marin Mersenne 2^P-1
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GIMPS
Finding World Record Primes Since 1996

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MnStatusDetails
59112883Factored
FactorDigitsBitsDate
38889377018986115029460848092891.72012-11-15 20:53:17
P-1 factors
DateFactorB1B2
2012-11-15388893770189861150294608480955000010312500
History
DateUserTypeResult
2022-06-27LordJuliusNF
no factor from 2^1 to 2^63
2012-11-15Jwb52zF-PM1
Factor: 3888937701898611502946084809
2012-10-17Son JohanNF
no factor from 2^72 to 2^73
2012-08-01XyzzyNF
no factor from 2^71 to 2^72
2011-05-17shaugeNF
no factor from 2^70 to 2^71
2011-05-17shaugeNF
no factor from 2^69 to 2^70
2009-06-22dablount36NF
no factor from 2^68 to 2^69
2009-02-16DwNF
no factor from 2^67 to 2^68
2009-01-25BranMuffinNF
no factor from 2^66 to 2^67
2009-01-21BranMuffinNF
no factor from 2^65 to 2^66
2009-01-18BranMuffinNF
no factor from 2^64 to 2^65
2008-04-03monstNF
no factor from 2^63 to 2^64