 # Factorial Calculator

## Calculate Factorial of a number. Learn more about 0 factorial, 100 factorial, negative factorial and formula for calculating n factorial

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Factorial

Find the factorial of the given number

## What is factorial? • ### Factorial example.

1! = 1
2! = 2x1 = 2
3! = 3x2x1 = 6
4! = 4x3x2x1 = 24
5! = 5x4x3x2x1 = 120

## Simplifying factorials / Calculating factorials ## Is there a Negative Factorial • ### Another reason for not defining negative factorials is that it would lead to mathematical contradictions. ## Where are Factorials Used Factorials are used in many different areas of mathematics, including probability, statistics, combinatorics, and number theory. They are also used in many practical applications, such as:

• ### Number theory: Factorials are used in number theory to study the properties of prime numbers and other types of numbers.

Here are some specific examples of how factorials are used in the real world:

• ### Logistics: Factorials are used in logistics to calculate the number of ways to route vehicles and deliver goods.

Note: The content has inputs from Bard, the AI model from Google

## Table of Factorial Numbers ## Frequently Asked Questions on Factorial Calculation 