Question

what is the greatest common factor of 9 and 54?

the gcf of 9 and 54 is

Explanation:

Find the factors of 9

Using the Factors knowledge point

$$ \text{Factors of } 9: 1, 3, 9 $$

Find the factors of 54

Using the Factors knowledge point

$$ \text{Factors of } 54: 1, 2, 3, 6, 9, 18, 27, 54 $$

Determine the greatest common factor

Using the Greatest Common Factor knowledge point

$$
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Answer:

What is the greatest common factor of 9 and 54?

The GCF of 9 and 54 is <blank>9</blank>.