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
198682157Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
906489259469516540812066.32015-09-21 19:55:15
History
DateUserTypeResult
2015-09-21demfloroF
Factor: 90648925946951654081 / TF: 66-68
2013-07-06MucolNF
no factor from 2^65 to 2^66
2011-04-27DmitryNF
no factor from 2^64 to 2^65
2010-09-031997rj7NF
no factor from 2^63 to 2^64