What is the LCM of 123 and 1?

Solution: The LCM of 123 and 1 is 123 Methods How to Find the LCM of 123 and 1 by Listing Common Multiples The first step to this method of finding the Least Common Multiple of 123 and 1 is to begin to list a few multiples for each number. If you need a refresher on how to find the multiples of these numbers, you can see the walkthroughs for those here: What are the Multiples of 123? What are the Multiples of 1? Let’s take a look at the first 10 multiples for each of these numbers, 123 and 1: First 10 Multiples of 123: 123, 246, 369, 492, 615, 738, 861, 984, 1107, 1230 First 10 Multiples of 1: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 You can continue to list out the multiples of these numbers as long as needed to find a match. Once you do find a match, or several matches, the smallest of these matches would be the Least Common Multiple. For instance, the first matching multiple(s) of 123 and 1 are 123, 246, 369. Because 123 is the smallest, it is the least common multiple. The LCM of 123 and 1 is 123. Continue Practicing by Finding the LCM of Other Numbers Take a look at some of our other walkthroughs, and you’ll be sure to be an expert at finding the LCM of any numbers in no time! What is the LCM of 20 and 144? What is the LCM of 69 and 132? What is the LCM of 43 and 135? What is the LCM of 105 and 91? What is the LCM of 73 and 2?