JavaScript Program to find LCM

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What is Least Common Multiple?

A smallest common multiple of two or more integers.

In general, Least Common Multiple (LCM) is otherwise called as Lowest Common Multiple (LCM) or Smallest Common Multiple (SCM)

Tips: It is recommended to use our online LCM calculator for better understanding.


The following table provides few examples of LCM of the given numbers.

4, 1020
6, 530
15, 30 , 4590

LCM of Two Numbers

n the following example, we will find the LCM of the given two numbers (45, 90).


HTML Online Editor
<!DOCTYPE html> <html> <body> <h1>JS LCM</h1> <script> var num1 = 45; var num2 = 90; max = (num1 > num2) ? num1 : num2; while(1) { if( max % num1 == 0 && max % num2 == 0 ) { document.write("LCM of "+num1+" and "+num2+": " +max); break; } ++max; } </script> </body> </html>


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