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How do you find the greatest common factor of 8 20 and 44?

1 Answer

Shwetank Mauria

Dec 19, 2016

Greatest common factor is $4$ $4$

Explanation:

The prime factors of $8$ $8$ , $20$ $20$ and $44$ $44$ are

$8 = 2 \times 2 \times 2$ $8=color(red)(2xx2)xx2$

$20 = 2 \times 2 \times 5$ $20=color(red)(2xx2)xx5$

$44 = 2 \times 2 \times 11$ $44=color(red)(2xx2)xx11$

as the common factors among all are $2 \times 2$ $color(red)(2xx2)$ ,

Greatest common factor is $2 \times 2 = 4$ $2xx2=4$

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