English Explanatory Dictionary

factorial

English dictionary entry

Meanings

noun

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.

adj

Of or pertaining to a factor or factorial.
Of or pertaining to a factor, a kind of business agent.
Of or pertaining to a factory.

Pronunciation

/fækˈtɔːɹi.əl/ LL-Q1860 (eng)-Vealhurl-factorial.wav

Word forms

factorial factorials more factorial most factorial

Etymology

From factor + -ial.

Related words

fact faction factor factorial prime factory fashion primorial

Derived words

bifactorial factorial experiment factoriality factorialization factorialize factorially factorial table hyperfactorial interfactorial monofactorial multifactorial nonfactorial plurifactorial polyfactorial semifactorial subfactorial superfactorial trifactorial unifactorial

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