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
79291897Factored
FactorDigitsBitsDate
7477805569422497763907992479.32016-08-31 01:22:17
P-1 factors
DateFactorB1B2
2016-08-3174778055694224977639079966500012967500
History
DateUserTypeResult
2016-08-31baseyF-PM1
Factor: 747780556942249776390799 / (P-1, B1=665000, B2=12967500, E=6)
2016-08-02AirSquirrelsNF
no factor from 2^74 to 2^75
2016-08-02AirSquirrelsNF
no factor from 2^73 to 2^74
2016-07-28RichD0NF
no factor from 2^72 to 2^73
2016-03-08ixfd64NF
no factor from 2^71 to 2^72
2013-05-28SMoffatNF
no factor from 2^70 to 2^71
2011-02-06Allan MananganNF
no factor from 2^69 to 2^70
2011-02-04Allan MananganNF
no factor from 2^68 to 2^69
2011-01-31LingUaanNF
no factor from 2^67 to 2^68
2011-01-30Dr. DwayneNF
no factor from 2^66 to 2^67
2011-01-22hiemsNF
no factor from 2^65 to 2^66