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
553095083Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
3055689106756533959772168.12017-08-06 22:53:58
History
DateUserTypeResult
2025-03-07James HeinrichF
Factor: 305568910675653395977 / TF: 68-70
2017-08-06Alex_soldierF
Factor: 305568910675653395977 / TF: 68-69*
2016-05-30Bruno VictalNF
no factor from 2^67 to 2^68
2015-11-10sasakiNF
no factor from 2^66 to 2^67
2014-09-03sasakiNF
no factor from 2^65 to 2^66
2011-09-03Architects CubedNF
no factor from 2^64 to 2^65