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Write a program to Find whether number is Prime or Not.


class PrimeNo {

    public static void main(String args[]) {
        int num = Integer.parseInt(args[0]);
        int flag = 0;
        for (int i = 2; i < num; i++) {
            if (num % i == 0) {
                System.out.println(num + " is not a Prime Number");
                flag = 1;
                break;
            }
        }
        if (flag == 0) {
            System.out.println(num + " is a Prime Number");
        }
    }
}

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