#### Answer

$2\times2\times2\times3\times3$

#### Work Step by Step

$2|\underline{72}$ last digit is even
$2|\underline{36}$ last digit is even
$2|\underline{18}$ last digit is even
$3|\underline{\ \ 9}$ divisible by 3
$\ \ \ \ \ 3$

Published by
Brooks Cole

ISBN 10:
1285199197

ISBN 13:
978-1-28519-919-1

$2\times2\times2\times3\times3$

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