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
77868919Factored
FactorDigitsBitsDate
7834482548851969701068412479.42016-08-04 01:21:31
P-1 factors
DateFactorB1B2
2016-08-047834482548851969701068416550000
History
DateUserTypeResult
2016-08-04Sergey NosovF-PM1
Factor: 783448254885196970106841 / (P-1, B1=655000)
2016-05-16AirSquirrelsNF
no factor from 2^74 to 2^75
2016-05-16AirSquirrelsNF
no factor from 2^73 to 2^74
2016-05-04el groccoNF
no factor from 2^72 to 2^73
2016-04-03Mark RoseNF
no factor from 2^53 to 2^64
2016-01-19DerekNF
no factor from 2^71 to 2^72
2013-01-09Bold_SeekerNF
no factor from 2^70 to 2^71
2011-01-27eon_blue_apocalypseNF
no factor from 2^69 to 2^70
2011-01-24eon_blue_apocalypseNF
no factor from 2^68 to 2^69
2011-01-21Benoit GermainNF
no factor from 2^67 to 2^68
2011-01-20trifNF
no factor from 2^66 to 2^67
2010-12-21marnesNF
no factor from 2^65 to 2^66
2010-12-18Torchwood InstituteNF
no factor from 2^64 to 2^65