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 178: 28

Answer

False.

Work Step by Step

Consider $a=9,b=6,c=3$. Clearly, $a$ doesn't divide $b$ or $c$, but it does divide their product, 18.
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