#### Answer

$2\times2\times5\times11$

#### Work Step by Step

We create a factor tree.
$220$
$/\ \ \ \backslash$
$110\ \ 2$
$/\ \ \backslash$
$55\ \ 2$
$/\ \ \backslash$
$11\ \ 5$

Published by
Brooks Cole

ISBN 10:
1285199197

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

$2\times2\times5\times11$

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