factorial: Meaning and Definition of

fac•to•ri•al

Pronunciation: (fak-tôr'ē-ul, -tōr'-), [key]

— n.

the product of a given positive integer multiplied by all lesser positive integers: The quantity four factorial (4!) = 4 &multiplydot; 3 &multiplydot; 2 &multiplydot; 1 = 24. Symbol: n!, where n is the given integer.

—adj.

of or pertaining to factors or factorials.
of or pertaining to a factor or a factory.

Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.

See also:

factorial (Thesaurus)

factor group factoring

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