Thinking Mathematically (6th Edition)

Published by Pearson
ISBN 10: 0321867327
ISBN 13: 978-0-32186-732-2

Chapter 5 - Number Theory and the Real Number System - 5.1 Number Theory: Prime and Composite Numbers - Exercise Set 5.1: 102

Answer

A prime number is a number whose only factors are $1$ and itself. On the other hand, a composite number is a number that has factors other than $1$ and itself.

Work Step by Step

A prime number is a number whose only factors are $1$ and itself. Example: $5$ is a prime number since the only factors of $5$ are $5$ and $1$. A composite number is a number that has factors other than $1$ and itself. Example: $10$ is a composite number since it can be factored as: $10=5(2)$
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