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 4.8 - Page 225: 10

Answer

$1$

Work Step by Step

Factor each number to get: $5=5\times1$ $9=3\times3\times1$ Thus we can find gcd=$1$
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