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
27820783Factored
FactorDigitsBitsDate
1602477100811237.2old
5310987474711239.02008-09-08 23:37:33
96724900619691693111963.12016-12-07 12:19:50
391835385286814770872065.12018-05-29 13:25:07
History
DateUserTypeResult
2022-11-01masserNF
no factor from 2^69 to 2^71
2022-08-10LordJuliusNF
no factor from 2^67 to 2^68
2022-08-10LordJuliusNF
no factor from 2^66 to 2^67
2022-08-05masserNF
no factor from 2^67 to 2^69
2022-05-21masserNF-PM1
B1=285000, B2=34496700
2022-04-07James HeinrichNF
no factor from 2^64 to 2^65
2018-05-29TJAOIF
Factor: 39183538528681477087 / TF: 65-66
2016-12-07TJAOIF
Factor: 9672490061969169311 / TF: 63-64
2008-09-08Will EdgingtonF
Factor: 531098747471