//Julia Lamar
//2-10-16
//Prime Checker
import java.util.*;

public class PrimeChecker
{
public static void main(String[] args)
{
Scanner input = new Scanner(System.in);
System.out.print("Print a number: ");
int num = inputInt();
int counter = 0;

//loop ---- depend on the number the user gives

for (int i = 2; i < num; i++) {
if (num % i == 0)
counter++;
}//endloop

if (num < 2)
System.out.println("Please insert a number larger than 1");

else if (counter > 0)
System.out.println(num +" is not prime!");
else
System.out.println(num +" is prime!");


}//closemain
}//closeclass

game plan:
accumulator: total = 0;
total < total + i
counter
mod = 0