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
223996601Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
1930008559701650433292167.42015-11-03 07:55:06
History
DateUserTypeResult
2015-11-03demfloroF
Factor: 193000855970165043329 / TF: 66-69
2013-09-02Grant McCrackenNF
no factor from 2^65 to 2^66
2011-06-11carlos56NF
no factor from 2^64 to 2^65