# Chapter 1 - Some Basic Concepts of Arithmetic and Algebra - 1.2 - Prime and Composite Numbers - Problem Set 1.2 - Page 14: 94

$xy$

#### Work Step by Step

The least common multiple of two non-equal numbers, in this case $x$ and $y$, can be found by multiplying their prime factors. Since $x$ and $y$ are primes, they only need to be multiplied to find the LCM. Hence, the answer is $xy$.

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