# factorial

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## fac·to·ri·al

(făk-tôr′ē-əl)*n.*

The product of all the positive integers from 1 to a given number: 4 factorial, usually written 4!, is equal to 24 (1 × 2 × 3 × 4 = 24).

*adj.*

Of or relating to a factor or factorial.

## factorial

(fækˈtɔːrɪəl)*maths*

*n*

(Mathematics) the product of all the positive integers from one up to and including a given integer. Factorial zero is assigned the value of one:

*factorial four is 1 × 2 × 3 × 4*. Symbol:*n*!, where*n*is the given integer*adj*

(Mathematics) of or involving factorials or factors

**facˈtorially**

*adv*

## fac•to•ri•al

(fækˈtɔr i əl, -ˈtoʊr-)*n.*

**1.**the product of a given positive integer multiplied by all lesser positive integers: The quantity four factorial (4!) = 4 ∙ 3 ∙ 2 ∙ 1 = 24.

*Symbol: n!,*where

*n*is the given integer.

*adj.*

**2.**of or pertaining to factors or factorials.

**3.**of or pertaining to a factor or a factory.

[1810–20]

**fac•to′ri•al•ly,**

*adv.*

## fac·to·ri·al

(făk-tôr′ē-əl) The product of all of the positive integers from 1 to a given positive integer. It is written as the given integer followed by an exclamation point. For example, the factorial of 4 (written 4!) is 1 × 2 × 3 × 4, or 24.

ThesaurusAntonymsRelated WordsSynonyms

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Noun | 1. | factorial - the product of all the integers up to and including a given integer; "1, 2, 6, 24, and 120 are factorials"mathematical product, product - a quantity obtained by multiplication; "the product of 2 and 3 is 6" |

Adj. | 1. | factorial - of or relating to factorials |

Translations

**faktoriál**

**fakultet**

**kertoma**

**階乗**

**silnia**

**fatorial**

**fakultet**

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