# Python Program to Find the Factorial of a Number

In this example, we will write a simple program to take input number from the user and display the factorial of the number. To better understand this example, make sure you have knowledge of the following tutorials:-

The factorial of a positive integer n, denoted by n!, is the product of all positive integers less than or equal to n.

## Python Program to Find the Factorial of a Number

1 2 3 4 5 6 7 8 9 10 | number = int(input("Enter a number: ")) if number < 0: print("Factorial doesn't exists for negative number !!!") elif number == 0: print("The factorial of 0 is 1") else: factorial = 1 for i in range(1, number + 1): factorial *= i print("The factorial of", number, "is", factorial) |

The output of the above program is:-

Enter a number: 5

The factorial of 5 is 120

The factorial of 5 is 120

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