PRIME NUMBER

PRIME NUMBER

import java.util.Scanner;
class prime
{
    public static void main(String args[])
    {
        Scanner s= new Scanner(System.in);
        int a,b,c=0;
        System.out.println("Enter the number");
        a=s.nextInt();
        for(b=1;b<=a;b++)
        {
            if(a%b==0)
            c+=1;
        }
        if(c==2)
        System.out.println(a+" is a prime number");
        else
        System.out.println(a+" is not a prime number");
    }
}