Question

How to calculate the LCM (Least Common Multiple) of two numbers in C#

Answer 1

using System;

class Program
{
    static int getLMC(int a, int b) {
        int lmc = (a > b) ? a : b;
         
        while(true) {
            if (lmc % a == 0 && lmc % b == 0) {
                return lmc;
            }
            lmc++;
        }
    }

    static void Main() {
        int a = 12, b = 20;
        
        Console.Write("The LCM (Least Common Multiple) of {0} and {1} is: {2}", a, b, getLMC(a, b));
    }
}



/*
run:
 
The LCM (Least Common Multiple) of 12 and 20 is: 60
 
*/

 

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