Here you will get Python program to find factorial of number using for and while loop. The Factorial of a number is calculated by multiplying it with all the numbers below it starting from …

Apr 8, 2025 · The factorial of a number is the product of all positive integers less than or equal to that number. For example, the factorial of 5 (denoted as 5!) is 5 × 4 × 3 × 2 × 1 = …

Oct 3, 2020 · def factorial(n): result = 1 for i in range (1, n+1): result *= i return result Explanation: The factorial of a number is simply to multiply all whole numbers starting with n down to 1. If …

Here, the number whose factorial is to be found is stored in num, and we check if the number is negative, zero or positive using if...elif...else statement. If the number is positive, we use for …

Jan 6, 2022 · The easiest way is to use math.factorial (available in Python 2.6 and above): If you want/have to write it yourself, you can use an iterative approach: fact = 1. for num in range(2, …

The formula finds the factorial of any number. It is defined as the product of a number containing all consecutive least value numbers up to that number. Thus it is the result of multiplying the …

Mar 31, 2025 · 1. Find Factorial of a Number in Python using for Loop; 2. Using Recursion; 3. Using Python’s Built-in math.factorial Function; 4. Using reduce from functools; Summary

Oct 12, 2022 · In this Python exercise, we are going to learn how to calculate the factorial of a number in Python using for loop. The factorial of a number is the item of all positive …

Mar 20, 2025 · The most simple way to calculate a factorial is using a loop: """Calculate factorial using iteration.""" if n < 0: raise ValueError("Factorial is not defined for negative numbers") …

Dec 24, 2021 · In this article, you will learn how to make a python program to find factorial of a number using for loop. for i in range(1, x+ 1): f *= i. print ("Factorial of ", x, " = ", f, "\n") else: …