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
494016973Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
4123276784444742523512168.52017-06-22 22:26:22
History
DateUserTypeResult
2025-03-07James HeinrichF
Factor: 412327678444474252351 / TF: 68-70
2017-06-22Alex_soldierF
Factor: 412327678444474252351 / TF: 68-69*
2016-05-01sasakiNF
no factor from 2^67 to 2^68
2016-03-30sasakiNF
no factor from 2^66 to 2^67
2014-10-27poweredgeNF
no factor from 2^65 to 2^66
2011-12-19OS1NF
no factor from 2^64 to 2^65
2010-04-05Architects CubedNF
no factor from 2^63 to 2^64