Showing posts with label twins prime number. Show all posts
Showing posts with label twins prime number. Show all posts

Tuesday, June 30, 2020

Write a program to input two integers and check whether it’s Tweens Prime or not? (3,5 two Prime numbers which contain difference between two Primes is 2)

38)  Write a program to input two integers and check whether it’s Twins Prime or not? (3,5 two   Prime numbers which contain difference between two Primes is 2)

import java.util.*;

public class Tweens_prime

{

    public static void main(String args[ ])

    {

        Scanner sc = new Scanner (System.in);

        System.out.println("Enter two numbers");

        int a = sc.nextInt();

        int b = sc.nextInt();

        int co = 0;

        int c = 0;

        for(int i=1;i<=a;i++)

        {

            if(a%i==0)

            c++;

        }

        for(int i=1;i<=b;i++)

        {

            if(b%i==0)

            co++;

        }

        if(co==2&&c==2&&(a-b==2||a-b==-2))

        {

            System.out.println("Entered numbers are TWEENS PRIME ");

        }

        else

        {

            System.out.println("Entered numbers are not TWEENS PRIME ");

        }

    }

}

 jhvghvgk ;nkjn ,nkjhj