What is 15! - Factorial for integer 15?

$Factorial Calculator$

getcalc.com's Factorial Calculator is to find what is 15! - Factorial for 15? 1307674368000 is the factorial for integer number 15.

Definition & Formula

Factorial is a basic mathematic function often represented by n! in mathematics, represents the product of all integers less than or equal to the positive integer n. An important function frequently used in combinatorics (permutations & combinations) theory.
For example, 15! can be written as
15! = 1 x 2 x 3 x . . . . x 14 x 15
15! = 1307674368000