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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Exponent Range:










MnStatusDetails
78513509Factored
FactorDigitsBitsDate
1636437214625652128632167.12014-09-13 12:53:51
P-1 factors
DateFactorB1B2
2014-09-1316364372146256521286311650000
History
DateUserTypeResult
2014-09-13Jerry HallettF-PM1
Factor: 163643721462565212863
2014-09-12ChuckNF
no factor from 2^73 to 2^74
2014-09-12ChuckNF
no factor from 2^72 to 2^73
2014-09-12ChuckNF
no factor from 2^71 to 2^72
2014-09-10Mark RoseNF
no factor from 2^70 to 2^71
2010-11-14sannerud.comNF
no factor from 2^69 to 2^70
2010-11-14sannerud.comNF
no factor from 2^68 to 2^69
2010-11-14sannerud.comNF
no factor from 2^67 to 2^68
2010-11-14sannerud.comNF
no factor from 2^66 to 2^67
2010-11-14sannerud.comNF
no factor from 2^65 to 2^66
2010-11-14riccardo ubertiNF
no factor from 2^64 to 2^65