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
489011791Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
558528855819471397372065.62014-10-22 13:36:12
History
DateUserTypeResult
2014-10-22NickF
Factor: 55852885581947139737 / TF: 65-66