Python Program to check a number is prime or not using constructor

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In this program, you will learn how to check a number is prime or not using a constructor in Python.

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Some list of prime numbers : 2 3 5 7 11 13 17 19

Example: How to check a number is prime or not using constructor in Python

class Test:

    def __init__(self, num):
        self.num = num

    def check(self):
        i = 2
        f = 1
        while i <= self.num / 2:
            if self.num % i == 0:
                f = 0
                break
            i = i + 1

        if f == 1:
            print("Number is prime:", self.num)
        else:
            print("Number is not prime:", self.num)


num = int(input("Enter a number:"))
obj = Test(num)
obj.check()

Output:

Enter a number:13
Number is prime: 13