Driver.java

import java.util.*;
import java.io.*;


    public class Driver {
	public static void main (String[] args){
	    Factorial  l;
	    l = new Factorial();
	    System.out.println(l.fact(10));
	    System.out.println(l.fact(1));
	    System.out.println(l.fact2(5));
	    System.out.println (l.gcd(68,16));
	    System.out.println (l.gcd2(68,16));
	    System.out.println (l.isPrime(27751));

	}


    }