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
222718271Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
2519736480718248902412167.82015-10-31 19:55:09
History
DateUserTypeResult
2015-10-31demfloroF
Factor: 251973648071824890241 / TF: 66-68
2013-08-28sasaki3NF
no factor from 2^65 to 2^66
2011-06-08sasaki3NF
no factor from 2^64 to 2^65
2010-05-20Architects CubedNF
no factor from 2^63 to 2^64