PrimePi (Built-in Mathematica Symbol)

PrimePi[x] gives the number of primes \[Pi] (x) less than or equal to x.

PrimePowerQ (Built-in Mathematica Symbol)

PrimePowerQ[expr] yields True if expr is a power of a prime number, and yields False otherwise.

PrimeQ (Built-in Mathematica Symbol)

PrimeQ[expr] yields True if expr is a prime number, and yields False otherwise.

Primes (Built-in Mathematica Symbol)

Primes represents the domain of prime numbers, as in x \[Element] Primes.

PrimeZetaP (Built-in Mathematica Symbol)

PrimeZetaP[s] gives prime zeta function P(s).

PrimitiveRoot (Built-in Mathematica Symbol)

PrimitiveRoot[n] gives the smallest primitive root of n.

PrincipalComponents (Built-in Mathematica Symbol)

PrincipalComponents[matrix] transforms elements of matrix into unscaled principal components.

PrincipalValue (Built-in Mathematica Symbol)

PrincipalValue is an option for Integrate that specifies whether the Cauchy principal value should be found for a definite integral.

PrintAction (Built-in Mathematica Symbol)

PrintAction is an option for notebooks that specifies the action taken when a Print[] command is evaluated by the kernel.

PrintingCopies (Built-in Mathematica Symbol)

PrintingCopies is an option for notebooks that specifies the number of copies of a notebook printed when a print command is given.