Answer
$0$
Work Step by Step
By definition, $d|n$ if and only if $n=kd$ for some integer $k$. But by the quotient-remainder theorem, $n$ may be written uniquely in the form $ab + c$ for some integers $a$, $b$, and $c$ with $0\leq c$
Discrete Mathematics with Applications 4th Edition
by Epp, Susanna S.
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 4.4 - Page 189: 16
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