Elementary Algebra

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

Chapter 1 - Some Basic Concepts of Arithmetic and Algebra - Chapter 1 Test: 20

Answer

$12$

Work Step by Step

The factors of $36$ are $\{1,2,3,4,6,9,12,18,36\}$ The factors of $60$ are $\{1,2,3,4,5,6,10,12,15,20,30,60\}$ The factors of $84$ are $\{1,2,3,4,6,7,12,14,21,28,42,84\}$ Out of these $3$ sets, the greatest common factor is $12$
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