Prime Number Checker in Python | Python Program | Python Shorts | Coding Shorts
The is_prime function takes an integer n as input and checks if it is prime. It first checks if n is less than 2, as prime numbers are greater than or equal to 2. If n is less than 2, the function returns False indicating that it is not a prime number.
Next, the function uses a loop to iterate from 2 to the square root of n (inclusive). It checks if n is divisible by any number in this range. If n is divisible by any number, it means it has a factor other than 1 and itself, so it is not prime. In such a case, the function returns False.
If the loop completes without finding any factors, it means that n is only divisible by 1 and itself, making it a prime number. In this case, the function returns True.
The rest of the code prompts the user to enter a number and stores it in the variable num. It then calls the is_prime function with num as the argument. If the function returns True, it prints that the number is prime. Otherwise, it prints that the number is not prime.
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