## Thinking Mathematically (6th Edition)

Published by Pearson

# Chapter 5 - Number Theory and the Real Number System - 5.1 Number Theory: Prime and Composite Numbers - Exercise Set 5.1: 99

#### Answer

If $a$ is a factor of $c$, then it means that $a$ divides $c$.

#### Work Step by Step

RECALL: If a number $a$ is a factor of a number $b$, then $a$ divides $b$. In symbols, $a | b$. Thus, if $a$ is a factor of $c$, then $a$ divides $c$. In symbols, $a|c$.

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