# factorial

fac·to·ri·al- of a factor
- Math. of factors or factorials

*factorial*of 5 (5!) is 1 × 2 × 3 × 4 × 5, or 120

**MLA Style**

"factorial." YourDictionary, n.d. Web. 15 May 2018. <http://www.yourdictionary.com/factorial>.

**APA Style**

factorial. (n.d.). Retrieved May 15th, 2018, from http://www.yourdictionary.com/factorial

## factorial

noun

*4 factorial, usually written 4!, is equal to 24 (1 × 2 × 3 × 4 = 24).*

adjective

**MLA Style**

"factorial." YourDictionary, n.d. Web. 15 May 2018. <http://www.yourdictionary.com/factorial>.

**APA Style**

factorial. (n.d.). Retrieved May 15th, 2018, from http://www.yourdictionary.com/factorial

## factorial

(*plural* factorials)

- (mathematics, combinatorics) The result of multiplying a given number of consecutive integers from 1 to the given number. In equations, it is symbolized by an exclamation mark (!). For example, 5! = 1 * 2 * 3 * 4 * 5 = 120.

"*n*!" is read as "factorial of *n*" or "*n* factorial."

**MLA Style**

"factorial." YourDictionary, n.d. Web. 15 May 2018. <http://www.yourdictionary.com/factorial>.

**APA Style**

factorial. (n.d.). Retrieved May 15th, 2018, from http://www.yourdictionary.com/factorial

## factorial - Computer Definition

**MLA Style**

"factorial." YourDictionary, n.d. Web. 15 May 2018. <http://www.yourdictionary.com/factorial>.

**APA Style**

factorial. (n.d.). Retrieved May 15th, 2018, from http://www.yourdictionary.com/factorial