How do you find the greatest common factor of 30, 60?

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How do you find the greatest common factor of 30, 60?

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Answer 1 · 2016-11-03T04:34:34

The greatest common factor (GCF) of 30 and 60 is $30$ $color(green)(30)$ .

Explanation:

Factor both numbers.

$30 :$ $30:$ $1, 2, 3, 5, 6, 10, 15, 30$ $1,2,3,5,6,10,15,color(green)(30)$
$60 :$ $60:$ $1, 2, 3, 5, 6, 10, 12, 15, 20, 30, 60$ $1,2,3,5,6,10,12,15,20,color(green)(30),60$

The greatest common factor is $30$ $color(green)(30)$ .

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How do you find the greatest common factor of 30, 60?

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