Q:

What is the LCM of 1 and 28?

Accepted Solution

A:
Solution: The LCM of 1 and 28 is 28 Methods How to Find the LCM of 1 and 28 by Listing Common Multiples The first step to this method of finding the Least Common Multiple of 1 and 28 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 1? What are the Multiples of 28? Let’s take a look at the first 10 multiples for each of these numbers, 1 and 28: First 10 Multiples of 1: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 First 10 Multiples of 28: 28, 56, 84, 112, 140, 168, 196, 224, 252, 280 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 1 and 28 are 28, 56, 84. Because 28 is the smallest, it is the least common multiple. The LCM of 1 and 28 is 28. 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 133 and 107? What is the LCM of 41 and 9? What is the LCM of 149 and 136? What is the LCM of 132 and 145? What is the LCM of 120 and 36?