Factorial Calculator

Number :

Factorial :

 

Factorial Calculator is a free online tool that displays the factorial of the number. BYJU’S online factorial calculator tool makes the calculation faster, and it displays the factorial of the number in a fraction of seconds.

How to Use the Factorial Calculator?

The procedure to use the factorial calculator is as follows:

Step 1: Enter the number in the respective input field

Step 2: Now click the button “Calculate Factorial” to get the result

Step 3: Finally, the factorial of the number will be displayed in the output field

What is Meant by the Factorial?

In Mathematics, the factorial of a number (n) is defined as a number which is the product of all the positive numbers which is equal to n. The factorial is represented using the exclamation mark “!”. The factorial is extensively used in permutations, combinations and in probability problems. In other words, a factorial is a function that multiplies the number by every number below it.

For example, the factorial of 5 is 120.

Here n=5, 

Hence, the factorial of 5 is 5 × 4 × 3 × 2 × 1 = 120

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