/*
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 */
package primerange;

/**
 *
 * @author John
 */
import java.util.Scanner;

public class MainRange {

    /**
     * @param args the command line arguments
     */
    public static boolean[] isPrime;

    public static void main(String[] args) {

        Scanner stdin = new Scanner(System.in);
        String LineIn;

        int rangeEnd = 0;

        System.out.print("Find primes starting from 2 up to: ");
        LineIn = stdin.nextLine();
        rangeEnd = Integer.parseInt(LineIn);

        Prime.findPrimes(rangeEnd);

        int count=0;
        for (int i = 2; i <= rangeEnd; i++) {
            if (isPrime[i]) {
                System.out.print(i + " ");
                //Start a new line every 15 primes
                count++;
                if(count == 15) {
                    System.out.println();
                    count = 0;
                }
            }
        }
    }
}