## 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: 54

#### Answer

$80=2\times2\times2\times2\times5$

#### Work Step by Step

80 divided by the prime number 5 is 16. 16 can be broken down further into prime factors: $2\times2\times2\times2$. Therefore, $80=2\times2\times2\times2\times5$

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