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
478018837Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
5042067288827846034472168.82017-11-30 14:42:46
History
DateUserTypeResult
2025-03-07James HeinrichF
Factor: 504206728882784603447 / TF: 68-70
2017-11-30ky0urakuF
Factor: 504206728882784603447 / TF: 68-69*
2016-06-11sasakiNF
no factor from 2^67 to 2^68
2016-03-19sasakiNF
no factor from 2^66 to 2^67
2014-10-09firereddNF
no factor from 2^65 to 2^66
2011-12-12RichardNF
no factor from 2^64 to 2^65
2010-03-29Architects CubedNF
no factor from 2^63 to 2^64