Marin Mersenne 2^P-1
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Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

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MnStatusDetails
276958267Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
4852394447789525851932168.72018-07-09 12:10:45
History
DateUserTypeResult
2025-03-10James HeinrichF
Factor: 485239444778952585193 / TF: 68-70
2018-07-09NickF
Factor: 485239444778952585193 / TF: 68-69
2016-11-05tscNF
no factor from 2^67 to 2^68
2016-01-15SADMASTERNF
no factor from 2^66 to 2^67
2013-12-09MucolNF
no factor from 2^65 to 2^66
2011-09-08sasaki3NF
no factor from 2^64 to 2^65
2010-04-03ptcrNF
no factor from 2^63 to 2^64
2010-04-03ptcrNF
no factor from 2^62 to 2^63