## Elementary Algebra

Published by Cengage Learning

# Chapter 1 - Some Basic Concepts of Arithmetic and Algebra - 1.2 - Prime and Composite Numbers - Problem Set 1.2: 95

#### Answer

$xy$

#### Work Step by Step

If the greatest common factor of $x$ and $y$ is 1, it means that $x$ and $y$ are non-equal primes. Finding the LCM of two non-equal primes only requires that the two primes be multiplied.

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