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
478973819Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
3183381289736607999532168.12017-06-16 22:04:02
History
DateUserTypeResult
2025-03-07James HeinrichF
Factor: 318338128973660799953 / TF: 68-70
2017-06-16Alex_soldierF
Factor: 318338128973660799953 / TF: 68-69*
2016-06-14sasakiNF
no factor from 2^67 to 2^68
2016-04-06sasakiNF
no factor from 2^66 to 2^67
2014-10-10IIRyskIINF
no factor from 2^65 to 2^66
2011-12-12Damian SilvestreNF
no factor from 2^64 to 2^65
2010-03-29Architects CubedNF
no factor from 2^63 to 2^64