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
33883847Factored
FactorDigitsBitsDate
1838537538231237.4old
21615861355191341.02008-09-09 20:45:07
413754978040071445.22008-09-09 20:45:07
47549256175245771291962.02016-06-23 11:06:22
History
DateUserTypeResult
2022-09-25LordJuliusNF
no factor from 2^66 to 2^67
2022-09-20masserNF
no factor from 2^67 to 2^71
2022-05-28masserNF-PM1
B1=285000, B2=28810530
2016-06-23TJAOIF
Factor: 4754925617524577129 / TF: 62-63
2008-09-09Will EdgingtonF
Factor: 41375497804007
2008-09-09Will EdgingtonF
Factor: 2161586135519