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BUILT-IN MATHEMATICA SYMBOL
PrimeOmega
PrimeOmega[n]
gives the number of prime factors counting multiplicities 
in n.
Details and Options
- Integer mathematical function, suitable for both symbolic and numerical manipulation.
- For a number
with 
a unit and 
primes, PrimeOmega[n] returns 
. - PrimeOmega[n, GaussianIntegers->True] gives the number of Gaussian prime factors in n.
- PrimeOmega is a completely additive number theoretic function.
New in 7
