The set of prime numbers, sometimes denoted (Derbyshire 2004, p. 163), and implemented in the Wolfram Language as Primes. In the Wolfram Language, a quantity can be tested to determine if it is in the domain of prime numbers using Element[n, Primes], which is equivalent to PrimeQ[n].
Primes
See also
Prime NumberExplore with Wolfram|Alpha
References
Derbyshire, J. Prime Obsession: Bernhard Riemann and the Greatest Unsolved Problem in Mathematics. New York: Penguin, 2004.Referenced on Wolfram|Alpha
PrimesCite this as:
Weisstein, Eric W. "Primes." From MathWorld--A Wolfram Web Resource. https://mathworld.wolfram.com/Primes.html