How do you find the gcf 15 18 30?

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How do you find the gcf 15 18 30?

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Answer 1 · 2016-12-20T22:42:31

The Greats Common Factor Is: $3$

Explanation:

First, simply list out the factors that will multiply to give us each of the numbers. See below:

$15$ 's Factors Are: $3*5$ and $15*1$ .

$18$ 's Factors Are: $3*6$ and $2*9$ and $1*18$ .

$30$ 's Factors Are: $3*10$ and $1*30$ .

Now we have to ask ourselves, what number out of all three of these is the greatest common factor? All three of these numbers share a common factor and that is $3$ . They do not share any other factor.

Therefore, the greatest common factor of all these numbers is $3$ .

Answer: $3$ .

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How do you find the gcf 15 18 30?

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