PrimeNumbers

/************************************************************************
 *  A business logic example                                            *
 *  This class (this package, actually) is invoked by the GUI class.    *
 *                                                                      *
 ************************************************************************/

package BusinessLogicPackage;

import java.math.BigInteger;

import GUIPackage.MyForm;

public class PrimeNumbers{

    public static boolean BigIntisPrime(BigInteger b) {

        BigInteger i = new BigInteger("2");
        while (i.compareTo(b) < 0){
            BigInteger tmp = b.mod(i);
            if(tmp.compareTo(BigInteger.ZERO) == 0) {
                //System.out.println("Factor Found: " + i.toString());
                return false;}
            i = i.add(BigInteger.ONE);
        }

        return true;

    }


}