Python Program to Find the Factorial of a Number Tutorial

In this Tutorial you will learn to write a Python Program to find the factorial of a number using Iterative Method ( for loop ).
The factorial of a positive integer n, which is denoted as n!, is the product of all positive integers less than or equal to n.
That is n! = n * (n-1)*(n-2)*....*3*2*1
So 4! = 4 * 3 * 2 * 1 which is equal to 24.
Factorial for the numbers 0 and 1 is 1. That is 0! = 1 and 1! = 1.
For negative numbers factorial value doesn't exists.
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[@mohamedh.394]

I love your explanation. Most videos I've come across do not explain this thoroughly. keep it up!

[@ExampleProgram]

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[@Roboticdock]

I like the use of range function in the context of factorial. Very nice job!

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[@demo8point2]

You explained this very well, thanks!

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[@dishamehta7747]

Best Explaination till now in TH-cam!!1❤😍

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[@likhomava600]

I really enjoyed the way you explained the concept of factorial. dont you mind creating a python playlist where u will be doing similar task. I could learn a lot from you.

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[@sharonmutiso6360]

clear and the best explanation in the TH-cam. Thank you.

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[@vovantrung1982]

such a very clear and easy to understand video. Thank you

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[@rotes3106]

Awesomely done and explained! Well done brother

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[@shreyasahu7425]

loved your explanation I was literally searching for an explanation for the factorial. Couldn't get any clearer.

[@ExampleProgram]

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[@ShadeWhite_kay]

I liked the latter part. Keep it coming

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👍

[@JJJJ-gl2uf]

Good explanation of factorials. Thanks.

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[@hyunzae]

so precise! thank you

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[@WysonFyson]

helped much

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[@letsconnect8849]

Best explanation... Thank u

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[@ugcnethomescienceonlinecla8641]

Thank you

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[@suhails1199]

Well understandable 🤩🤩🤩

[@ExampleProgram]

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[@kapilthapa-o7y]

Sir, where would u put the exit statement if i want to execute this program again n again until the user wans to exit the program.

[@ankitadeore4718]

number=int(input("Enter a number:"))
factorial=1
if (number < 0):
print("cant compute factorial of negative number")
elif (number

[@ananyamukherjee7601]

u have made a mistake as you have to multiply factorial with "num" not number, that's why u r getting 64 instead of 24

[@DaleTale105]

thanks you very much really helpul 😊

[@ExampleProgram]

You're welcome!

[@jorgemenendez5575]

nice video man

[@ExampleProgram]

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[@binsh2399]

Which version of python is this?

[@ataberdi2064]

Hello, what software do you use to draw/write numbers with highletrs? You used it in this video.😀🤩

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windows snip and sketch

[@autarroy]

Thanks, a very good explanation step by step.
How to make this as application in GUI Tkinter

[@omarhany5961]

hey how can i donate?