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
277799581Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
25933323570566153868972271.12019-10-16 19:19:44
History
DateUserTypeResult
2024-06-01James HeinrichNF
no factor from 2^68 to 2^69
2024-06-01Jarod McClintockNF
no factor from 2^68 to 2^69
2019-10-16ConductorF
Factor: 2593332357056615386897 / TF: 71-72
2019-08-25YxinityNF
no factor from 2^70 to 2^71
2017-01-05YxinityNF
no factor from 2^69 to 2^70
2016-10-29ConductorNF
no factor from 2^67 to 2^69
2016-01-15kompakkiNF
no factor from 2^66 to 2^67
2013-12-08haphaeuNF
no factor from 2^65 to 2^66
2011-09-09sasaki3NF
no factor from 2^64 to 2^65
2010-04-04sasaki3NF
no factor from 2^63 to 2^64
2010-04-04sasaki3NF
no factor from 2^62 to 2^63