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
77321767Factored
FactorDigitsBitsDate
634103080398416664536392375.72016-02-21 20:42:28
P-1 factors
DateFactorB1B2
2016-02-216341030803984166645363964500012416250
History
DateUserTypeResult
2022-06-27LordJuliusNF
no factor from 2^61 to 2^64
2016-02-21Jwb52zF-PM1
Factor: 63410308039841666453639 / (P-1, B1=645000, B2=12416250)
2016-02-17AirSquirrelsNF
no factor from 2^74 to 2^75
2016-02-17AirSquirrelsNF
no factor from 2^73 to 2^74
2015-11-04RichD0NF
no factor from 2^72 to 2^73
2015-06-10ChuckNF
no factor from 2^71 to 2^72
2012-12-30Florimond C.NF
no factor from 2^70 to 2^71
2010-10-22TeraTismNF
no factor from 2^69 to 2^70
2010-10-20Wolfgang StegerNF
no factor from 2^68 to 2^69
2010-10-14Wolfgang StegerNF
no factor from 2^67 to 2^68
2010-10-09vapaddyNF
no factor from 2^66 to 2^67
2010-10-07vapaddyNF
no factor from 2^65 to 2^66
2010-10-05Bob BallantyneNF
no factor from 2^64 to 2^65