Write a program using while loop to find if the number is prime number or not.

Answer 1

https://code.sololearn.com/cFAESTxurVQn/?ref=app

Answer 2

You can also use fermats theorm in finding prime numbers. Its much more effective an it does it quick even with prime numbers.
I have one here :
https://code.sololearn.com/cbo6WUTLeLp1/?ref=app