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
77406739Factored
FactorDigitsBitsDate
1940464954955280414814647192787.32016-03-19 05:02:41
P-1 factors
DateFactorB1B2
2016-03-191940464954955280414814647196550000
History
DateUserTypeResult
2016-04-04Mark RoseNF
no factor from 2^61 to 2^64
2016-03-19baseyF-PM1
Factor: 194046495495528041481464719 / (P-1, B1=655000)
2016-02-22AirSquirrelsNF
no factor from 2^74 to 2^75
2016-02-22AirSquirrelsNF
no factor from 2^73 to 2^74
2016-02-22AirSquirrelsNF
no factor from 2^72 to 2^73
2015-12-08endless_mikeNF
no factor from 2^71 to 2^72
2013-01-20Cow_tippingNF
no factor from 2^70 to 2^71
2011-02-07Aldo_GridNF
no factor from 2^69 to 2^70
2010-12-18manskyNF
no factor from 2^68 to 2^69
2010-12-13manskyNF
no factor from 2^67 to 2^68
2010-12-08Carlos "casep" SepulvedaNF
no factor from 2^66 to 2^67
2010-10-02seekuaNF
no factor from 2^65 to 2^66
2010-10-01IBeMadNF
no factor from 2^64 to 2^65