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
73438811Factored
FactorDigitsBitsDate
1261113494676889078596230172786.72015-09-29 02:02:55
P-1 factors
DateFactorB1B2
2015-09-291261113494676889078596230176250000
History
DateUserTypeResult
2015-09-29Jwb52zF-PM1
Factor: 126111349467688907859623017 / (P-1, B1=625000)
2015-09-27AirSquirrelsNF
no factor from 2^74 to 2^75
2015-09-27AirSquirrelsNF
no factor from 2^73 to 2^74
2015-09-27AirSquirrelsNF
no factor from 2^72 to 2^73
2015-01-11RichD0NF
no factor from 2^71 to 2^72
2014-08-04Mark RoseNF
no factor from 2^70 to 2^71
2012-10-09GnorfeNF
no factor from 2^69 to 2^70
2010-07-09-Anonymous-NF
no factor from 2^68 to 2^69
2010-06-23alexey77NF
no factor from 2^67 to 2^68
2010-06-17GnorfeNF
no factor from 2^66 to 2^67
2010-06-16Beat BucheliNF
no factor from 2^65 to 2^66
2010-06-05GrunwalderGIMPNF
no factor from 2^64 to 2^65
2008-06-28George WoltmanNF
no factor to 2^64