Marin Mersenne 2^P-1
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GIMPS
Finding World Record Primes Since 1996

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MnStatusDetails
399202829Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
2178826247118630606712167.62016-10-29 11:14:55
History
DateUserTypeResult
2025-03-07James HeinrichNF
no factor from 2^68 to 2^70
2016-10-29Alex_soldierF
Factor: 217882624711863060671 / TF: 67-69*
2016-03-28E.LechnerNF
no factor from 2^66 to 2^67
2014-06-06ANONYMOUSNF
no factor from 2^65 to 2^66
2010-05-10Architects CubedNF
no factor from 2^64 to 2^65