CBSE 11TH CLASS CS PROGRAM 7

 

7. Input a number and check if the number is a prime or composite number.

Python

num = int(input("Enter a number: "))

 

if num > 1:

    for i in range(2, int(num**0.5) + 1):

        if (num % i) == 0:

            print(num, "is not a prime number")

            break

    else:

        print(num, "is a prime number")

else:

    print(num, "is not a prime number")