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: 101

Answer

"$a$ is divisible by $b$" means that when $a$ is divided by $b$, there is no remainder.

Work Step by Step

"$a$ is divisible by $b$" means that when $a$ is divided by $b$, there is no remainder (or the remainder is zero). Example: $48$ is divisible by $6$ since $48 \div 6 = 8$ with no remainder. On the other hand, $49$ is not divisible by $6$ since $49 \div 6=8$ with a remainder of $1$.
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