Answer
The least common multiple of the two numbers is $336$.
Work Step by Step
Factor each number to obtain:
$16=4(4)=2(2)(2)(2)
\\42=7(6)=7(3)(2)$
Thus, the least common multiple of the two numbers is $7(3)(2)(2)(2)(2)=336$.
Thinking Mathematically (6th Edition)
by Blitzer, Robert F.
Published by
Pearson
ISBN 10:
0321867327
ISBN 13:
978-0-32186-732-2
Chapter 5 - Number Theory and the Real Number System - 5.1 Number Theory: Prime and Composite Numbers - Exercise Set 5.1 - Page 256: 59
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