Use two out parameters : out « Language Basics « C# / CSharp Tutorial

1. C# / CSharp Tutorial
2. Language Basics
3. out

using System; 
 
class Num { 
   
  public bool hasComFactor(int x, int y,out int least, out int greatest) { 
    least = 1; 
    greatest = 1;  
 
    if(least != 1) 
       return true; 
    else 
       return false; 
  } 
} 
  
class MainClass { 
  public static void Main() {   
    Num ob = new Num(); 
    int lcf, gcf; 
 
    if(ob.hasComFactor(231, 105, out lcf, out gcf)) { 
      Console.WriteLine("Lcf of 231 and 105 is " + lcf); 
      Console.WriteLine("Gcf of 231 and 105 is " + gcf); 
    } 
    else 
      Console.WriteLine("No common factor for 35 and 49."); 
 
    if(ob.hasComFactor(35, 51, out lcf, out gcf)) { 
      Console.WriteLine("Lcf of 35 and 51 " + lcf); 
      Console.WriteLine("Gcf of 35 and 51 is " + gcf); 
    } 
    else 
      Console.WriteLine("No common factor for 35 and 51."); 
 
  } 
}

No common factor for 35 and 49.
No common factor for 35 and 51.