Marin Mersenne 2^P-1
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GIMPS
Finding World Record Primes Since 1996

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MnStatusDetails
239Composite, with 5 known prime factors. Cofactor is PRP (Probable-Prime).
Factored
FactorDigitsBitsDate
47938.9old
1913410.9old
5737412.5old
176383617.4old
134000609927.0old
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified (Factored)2018-01-24_p95holder_PRP_PRP_PRP_PRP_5013
History
DateUserTypeResult
2018-01-24_p95holder_P-PRP
M239/479/1913/5737/176383/134000609 is a probable prime.