Unity3d Aspect Ratio Check

AspectCheck.cs

using UnityEngine;
using System.Collections;

public class GameConfig : MonoBehaviour {

  public static bool isFourThreeAspect() {
    int factor  = gcd(Screen.width, Screen.height);
    int wFactor = Screen.width / factor;
    int hFactor = Screen.height / factor;
    
    if (wFactor == 3 && hFactor == 4) {
      return true;
    } else {
      return false;
    }
  }
  
  public static bool isSixteenNineAspect() {
    int factor  = gcd(Screen.width, Screen.height);
    int wFactor = Screen.width / factor;
    int hFactor = Screen.height / factor;
    
    if (wFactor == 9 && hFactor == 16) {
      return true;
    } else {
      return false;
    }
  }
  
  public static int gcd(int a, int b) {
    return (b == 0) ? a : gcd (b, a % b);
  }
  
}