Elementary Algebra

Published by Cengage Learning
ISBN 10: 1285194055
ISBN 13: 978-1-28519-405-9

Chapter 2 - Real Numbers - Chapters 1-2 Cumulative Review Problem Set - Page 91: 26



Work Step by Step

First, we express each number as a product of its prime factors: $63=3\times3\times7$ $81=3\times3\times3\times3$ Since two 3s are common to both of the numbers, we obtain: Greatest Common Factor$=3\times3=9$
Update this answer!

You can help us out by revising, improving and updating this answer.

Update this answer

After you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.