Primorial prime (source code)

= Primorial prime
{wiki=Primorial_prime}

A **primorial prime** is a type of prime number that can be expressed in the form \\( p_n\\\# + 1 \\) or \\( p_n\\\# - 1 \\), where \\( p_n \\\# \\) (the primorial of \\( p_n \\)) is the product of the first \\( n \\) prime numbers.