Meaning of the word factorial in English

What does factorial mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

factorial

US /fækˈtɔːr.i.əl/
UK /fækˈtɔː.ri.əl/
"factorial" picture

Noun

the product of an integer and all the integers below it; e.g., factorial four (4!) is 4 × 3 × 2 × 1 = 24

Example:
The calculation involves finding the factorial of a number.
Six factorial (6!) is 720.

Adjective

relating to or involving factorials

Example:
The problem required a factorial calculation.
We used a factorial algorithm to solve it.