Factorial
volume
British pronunciation/fæktˈɔːɹɪəl/
American pronunciation/fæktˈoːɹɪəl/

Definition & Meaning of "factorial"

Factorial
01

the product of all positive whole numbers from 1 to a given number

example
Example
click on words
The formula for combinations includes the factorial of the number of items.
The factorial of 5 is calculated as 5!=5×4×3×2×1=120.
Factorials are essential in the binomial theorem for expanding expressions.
factorial
01

multiplying a whole number by all the smaller whole numbers down to 1

example
Example
click on words
In probability theory, factorial calculations often appear in permutations and combinations.
Factorial expressions are commonly encountered in algorithms and programming, particularly in recursion.
Factorial notation is utilized to represent the number of ways objects can be arranged.
example
Example
The formula for combinations includes the factorial of the number of items.
The factorial of 5 is calculated as 5!=5×4×3×2×1=120.
Factorials are essential in the binomial theorem for expanding expressions.
To solve the problem, you need to find the factorial of 7.
download-mobile-app
Download Our Mobile App
Langeek Mobile Application
Download the application
LanGeek
Download LanGeek app
langeek application

Download Mobile App

stars

app store