Primorial
Revision as of 20:26, 1 April 2016 by Fuegocaliente (talk | contribs)
Primorial is a the product of all the prime numbers less than or equal to itself. And n primorial is denoted as n#
Examples: 7# = 7*5*3*2 = 210
8# is also 
because 8 is not a prime.
