This is the worksheet for understanding how to calculate the factorial value for a given number. A factorial is the result of multiplying a given number of consecutive integers from 1 to the given number. It is written with the exclamation sign: n! and it can be calculated from the below formula,

1!, 2!, 3!, 4! and 5! can be written as

0! = 1

1! = 1

2! = 2 x 1 = 2

3! = 3 x 2 x 1 = 6

4! = 4 x 3 x 2 x 1 = 24

5! = 5 x 4 x 3 x 2 x 1 = 120 and so on
**For Example**

To find the factorial of 10 is

= 1 x 2 x 3 x 4 x 5 x 6 x 7 x 8 x 9 x 10

= 3628800

Above worksheet is a walk through to understand factorial. When it comes to online calculation, this online Factorial Calculator is an essential math tool to make your calculation easy.

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