Elementary and Intermediate Algebra: Concepts & Applications (6th Edition)

Published by Pearson
ISBN 10: 0-32184-874-8
ISBN 13: 978-0-32184-874-1

Chapter 1 - Introduction to Algebraic Expressions - 1.3 Fraction Notation - 1.3 Exercise Set - Page 26: 2



Work Step by Step

All numbers have at least two factors, $1$, and themselves. While composite numbers have more than that, prime numbers only have those two. Example: $7$ is a prime number because you can only divide it evenly by two numbers $1$, and itself, $7$. $9$, however, it a composite number because while like every number it can be divided by $1$, and itself, $9$, it can also be divided by $3$.
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