Discrete Mathematics with Applications 4th Edition

Published by Cengage Learning
ISBN 10: 0-49539-132-8
ISBN 13: 978-0-49539-132-6

Chapter 4 - Elementary Number Theory and Methods of Proof - Exercise Set 4.3 - Page 177: 6

Answer

No, $29$ is not a multiple of $3$, because $\frac{29}{3}=9.666...$, which is not an integer.

Work Step by Step

The box on page 172 tells us that $a|b$ is false if and only if $\frac{b}{a}$ is not an integer.
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