## 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 - Page 13: 70

#### Answer

$4$

#### Work Step by Step

Factor each number completely to obtain: $48 = 2 \cdot 2 \cdot 2 \cdot 2 \cdot 3 \\52 = 2 \cdot 2 \cdot 13$ Since two 2s are common to both, the greatest common factor of the two given numbers is: $2 \cdot 2= 4$

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