(chiefly Scotland, now rare) The position or state of being a factor. / (now historical) A trading establishment, especially set up by merchants working in a foreign country.

(colloquial, of a configuration, part, etc.) Having come from the factory in the state it is currently in; original, stock.

(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.

(mathematics) Of or pertaining to a factor or factorial. / Of or pertaining to a factor, a kind of business agent. / (dated) Of or pertaining to a factory.

plural of factory

plural of factorial

(mathematics) According to a factorial series or ratio.

The property of being factorial.

(mathematics, transitive) To perform factor analysis on (a set of data).

simple past tense and past participle of factorialize