Python Factorial Number using Recursion

by Online Tutorials Library July 22, 2022

Python Program to Find Factorial of Number Using Recursion

Factorial: Factorial of a number specifies a product of all integers from 1 to that number. It is defined by the symbol explanation mark (!).

For example: The factorial of 5 is denoted as 5! = 1*2*3*4*5 = 120.

See this example:

 def recur_factorial(n):    if n == 1:        return n    else:        return n*recur_factorial(n-1) # take input from the user num = int(input(“Enter a number: “)) # check is the number is negative if num < 0:    print(“Sorry, factorial does not exist for negative numbers”) elif num == 0:    print(“The factorial of 0 is 1”) else:    print(“The factorial of”,num,”is”,recur_factorial(num)) 

Output:

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