# Python program for factorial of a number

In this tutorial, we will discuss Python program to find factorial of a number using the while loop. In this post, we use if statements and while loop to calculating factorial of a number and display it. Factorial is a product of all positive descending integer begins with a specified number n and calculates up to one. In the above program, we can check the given number negative, zero or positive using if elif else statements in python.

Operator in Python. Your email address will not be published. Notify me of follow-up comments by email. Notify me of new posts by email. Skip to content Python program to find factorial of a number using while loop Home Find elements Python program to find factorial of a number using while loop.

On January 16, By Karmehavannan 0 Comment Categories: Find elements Tags: operatorPython languagepython program Python program to find factorial of a number using while loop Python program to find factorial of a number using while loop In this tutorial, we will discuss Python program to find factorial of a number using the while loop In this post, we use if statements and while loop to calculating factorial of a number and display it Factorial is a product of all positive descending integer begins with a specified number n and calculates up to one Factorial of n is Example factorial of 5 is.

Python program to find sum of elements in a list. Java code to find factorial using method. Related posts:. Java program to calculate sum of odd and even numbers. Previous Post Next Post. Search for:. Recent post. Most Popular.In this tutorial, we will discuss the Python program to find factorial using function. Factorial is a product of all positive descending integer begins with a specified number n and calculates up to one.

In my previous post, I have explained the various ways to Find factorial of a number in Python. Java code to calculate the factorial of a number.

Java code to calculate the factorial of a number using Java method. Calculate factorial of a number in C. Calculate factorial of a number in CPP. Calculate factorial of a number in Python. Operator in Python. Function in Python. For loop in Python. Fantastic site you have here but I was curious about if you knew of any user discussion forums that cover the same topics talked about here? If you have any suggestions, please let me know.

Your email address will not be published. Notify me of follow-up comments by email. Notify me of new posts by email. Python program to check whether a number is even or odd. Python program find factorial of a number using recursion. Related posts:. C program to find sum of two numbers without using arithmetic operators.Factorial of a number is calculated by multiplying it with all the numbers below it starting from 1.

Comment below if you have any queries related to above python factorial program. Because range start, end function will generate numbers from start and end As we know that if we write only num,it will take range 1,num-1 means if we write only num it will range from 1 to num Because if you give only num it will end with 1 less number Eg. So off course no output. Example :- factorial 4. It is telling me my output is 4. I am confused, because if N is 4 based upon what the user input, why is it not completing the calculation?

Output For each integer n given at input, display a line with the value of n! Find the factorial!! With the for loop, how would I be able to have it display the actual calculation along with the answer, for example if user enters 4, I need it to display:. Your email address will not be published. Here you will get python program to find factorial of number using for and while loop.

For example factorial of 4 is 24 1 x 2 x 3 x 4. Below program takes a number from user as an input and find its factorial. You May Also Like: C program that compare two given dates. To store a date use a structure that contains three members namely day, month and year.

Python Program to Find the Factorial of a Number - Class 11 computer science with python

Subscribe For Latest Updates Signup for our newsletter and get notified when we publish new articles for free!To understand this example, you should have the knowledge of the following Python programming topics:. Factorial is not defined for negative numbers and the factorial of zero is one, 0!

Note: To find the factorial of another number, change the value of num. Here, the number is stored in num. Course Index Explore Programiz. Python if Statement. Python Lists. Dictionaries in Python. Popular Examples Add two numbers. Check prime number. Find the factorial of a number.

Print the Fibonacci sequence. Check leap year. Reference Materials Built-in Functions. List Methods. Dictionary Methods. String Methods. Start Learning Python. Explore Python Examples. Find Numbers Divisible by Another Number.

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Python Program to Find Factorial of Number Using Recursion In this program, you'll learn to find the factorial of a number using recursive function. The factorial of a number is the product of all the integers from 1 to that number.

### Python Program to Find the Factorial of a Number

Share on:. Was this article helpful? Sorry about that How can we improve it? Related Examples. Python Example Find the Factorial of a Number. Python Example Check Prime Number. Python Example Find the Factors of a Number.Factorial of a non-negative integer, is multiplication of all integers smaller than or equal to n.

Please refer complete article on Program for factorial of a number for more details! Writing code in comment? Please use ide.

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Python program to print all Prime numbers in an Interval Python program to check whether a number is Prime or not Python Program for n-th Fibonacci number Python Program for Fibonacci numbers Python Program for How to check if a given number is Fibonacci number? Python Split string into list of characters. Python 3 program to find. This code is contributed by Smitha Dinesh Semwal. This code is contributed by Dharmik Thakkar. Recommended Posts: Find the last digit when factorial of A divides factorial of B Python Program to Count trailing zeroes in factorial of a number Program for factorial of a number C Program for factorial of a number Java Program for factorial of a number Golang Program to Count Trailing Zeros in Factorial of a Number Check if a given number is factorial of any number Count trailing zeroes in factorial of a number Factorial of a large number Find the first natural number whose factorial is divisible by x Smallest number with at least n trailing zeroes in factorial Smallest number with at least n digits in factorial Sum of divisors of factorial of a number Find sum of digits in factorial of a number Smallest number S such that N is a factor of S factorial or S!

One line function for factorial of a number Find maximum power of a number that divides a factorial First digit in factorial of a number Number of digits in N factorial to the power N Maximum number with same digit factorial product. Improved By : Dharmik Thakkar. Load Comments. We use cookies to ensure you have the best browsing experience on our website.To understand this example, you should have the knowledge of the following Python programming topics:.

Factorial is not defined for negative numbers, and the factorial of zero is one, 0! Note: To test the program for a different number, change the value of num. Here, the number whose factorial is to be found is stored in numand we check if the number is negative, zero or positive using if If the number is positive, we use for loop and range function to calculate the factorial. Course Index Explore Programiz. Python if Statement. Python Lists. Dictionaries in Python. Popular Examples Add two numbers. Check prime number. Find the factorial of a number. Print the Fibonacci sequence. Check leap year. Reference Materials Built-in Functions.

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List Methods. Dictionary Methods. String Methods. Start Learning Python. Explore Python Examples. Check if a Number is Odd or Even. Find the Largest Among Three Numbers.

### Find Factorial:Python program to using function

Check Prime Number. Print all Prime Numbers in an Interval. Find the Factorial of a Number. Display the multiplication Table. Check Armstrong Number.

Join our newsletter for the latest updates. This is required. Python Programming. Python Program to Find the Factorial of a Number In this article, you'll learn to find the factorial of a number and display it. The factorial of a number is the product of all the integers from 1 to that number.In Python, any other programming language or in common term the factorial of a number is the product of all the integers from one to that number.

Mathematically, the formula for the factorial is as follows. If n is an integer greater than or equal to one, then factorial of n is. Also, the factorial value of zero is equal to one and the factorial values for negative integers are not defined. The process is the same.

We are printing the factorial value when it ends. Recursion means a method calling itself until some condition is met.

A method which calls itself is called a recursive method. A recursive method should have a condition which must cause it to return else it will keep on calling itself infinitely resulting in memory overflow. Calculating the factorial of a number using the recursive method should work on the following algorithm. Create a method which accepts one argument. Check if the value of the argument is onethen return one from this method.

This will be the terminating condition of the recursive method. Return the product of the argument and the return value of this method called argument — one.

## Python Program to Find Factorial of Number Using Recursion

The method will keep on calling itself and return the product of the argument supplied to it with one less than the argument. When the argument value is oneit will return one. This way, the recursive method will return the product of all the numbers starting from the argument till one. The output of the above program will be. This python factorial program is the same as the first example. In this tutorial, we have learned how to find out the factorial of a number in python.

We have learned how to calculate the factorial using four different methods. Try to run the examples shown above and drop one comment below if you have any queries. Contents of Tutorial.

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