Algebra: A Combined Approach (4th Edition)

Published by Pearson
ISBN 10: 0321726391
ISBN 13: 978-0-32172-639-1

Chapter 6 - Section 6.1 - The Greatest Common Factor - Vocabulary and Readiness Check - Page 420: 11

Answer

$5$

Work Step by Step

$20= 2^2 \times 5$ $15 = 3\times5$ So the Great Common Factor is $5$
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