JAVA Program to Check Number is Prime or Not

JAVA Program to Check Number is Prime or Not:

class prime
{
 public static void main(String args[])
 {
  int i,m=0,flag=0;
  int n=13;              //This number will be checked
  m=n/2;
  for(i=2;i<=m;i++)
  {
   if(n%i==0)
   {
    System.out.println("Number is not prime");
    flag=1;
    break;
   }
  }
  if(flag==0)
  System.out.println("Number is prime");
 }
}

OUTPUT:

Number is prime

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