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 - 1.2 - Prime and Composite Numbers - Problem Set 1.2 - Page 13: 83

Answer

$168$

Work Step by Step

Multiples of $8$ include $\{8,16,24,32,40,48,56,64...168\}$ Multiples of $12$ include $\{12,24,36,48,60,72,84...168\}$ Multiples of $28$ include $\{28,56,84,112,140,168\}$ The least common multiple in these three sets is $168$.
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