Algebra 1

Published by Prentice Hall
ISBN 10: 0133500403
ISBN 13: 978-0-13350-040-0

Chapter 1 - Foundations for Algebra - 1-1 Variables and Expressions - Mixed Review: 64

Answer

$3$

Work Step by Step

The factors of 12 are $\{1,2,3,4,6,12\}$ The factors of 15 are $\{1,3,5,15\}$ The greatest common factor, therefore, is $3$.
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