Java tutorial
import java.math.BigInteger; public class Main { public static void main(String[] args) { // assign values to bi1, bi2 BigInteger bi1 = new BigInteger("18"); BigInteger bi2 = new BigInteger("24"); // assign gcd of bi1, bi2 to bi3 BigInteger bi3 = bi1.gcd(bi2); System.out.println(bi3); } }