Factorial Calculator
Calculate the factorial of any number (n!). See step-by-step multiplication process.
What is Factorial?
The factorial of n (written as n!) is the product of all positive integers from 1 to n. For example, 5! = 5 × 4 × 3 × 2 × 1 = 120.
Special Cases
By definition, 0! = 1 and 1! = 1.
Factorial Table
0! = 1
1! = 1
2! = 2
3! = 6
4! = 24
5! = 120
6! = 720
7! = 5,040
8! = 40,320
9! = 362,880
10! = 3,628,800