#### Answer

1, 3, 9

#### Work Step by Step

9 = 1 * 9 and 3 * 3, so the factors are 1, 3, and 9.

Published by
Pearson

ISBN 10:
0321726391

ISBN 13:
978-0-32172-639-1

1, 3, 9

9 = 1 * 9 and 3 * 3, so the factors are 1, 3, and 9.

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