Answer
$3\times3\times3$
Work Step by Step
$3|\underline{27}$ sum of digits divisible by 3
$3|\underline{\ \ 9}$ sum of digits divisible by 3
$\ \ \ \ \ 3$
Elementary Technical Mathematics
by Nelson, Robert; Eren, Dale;
Published by
Brooks Cole
ISBN 10:
1285199197
ISBN 13:
978-1-28519-919-1
Chapter 1 - Section 1.5 - Prime Factorization - Exercise - Page 25: 51
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