Here, we are going to learn how to get the factorial of a number and display it.

Factorial of a positive integer is the multiplication of all integers smaller than or equal to n.

It is represented as n*(n-1)*(n-2)………….1

Example: 4! = 4*3*2*1 =24

Algorithm:

  1. Input the number from user.
  2. Initialise the product variable to 1.
  3. Use the for loop ranging from 1 till n+1 in order to multiply and find the factorial.
  4. Print the factorial of the number.
  5. Exit 

Code:

n= int(input("Enter the number you want to find the factorial of: "))

prod=1

for i in range(1,n+1):

    prod=prod*i

print(prod)

 

Output: 

Enter the number you want to find the factorial of: 5

120

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CopyRight © 2019