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
277312769Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
15783945325113230338792270.42019-08-16 04:20:15
History
DateUserTypeResult
2019-08-16ConductorF
Factor: 1578394532511323033879 / TF: 70-71
2017-01-24JonatanGladNF
no factor from 2^67 to 2^68
2017-01-10YxinityNF
no factor from 2^69 to 2^70
2017-01-10YxinityNF
no factor from 2^67 to 2^69
2016-01-14Thor VikNF
no factor from 2^66 to 2^67
2013-12-09RichardNF
no factor from 2^65 to 2^66
2011-09-08tscNF
no factor from 2^64 to 2^65
2010-04-03Torchwood InstituteNF
no factor from 2^63 to 2^64
2010-04-03Torchwood InstituteNF
no factor from 2^62 to 2^63