Question

Can anyone show me how to find the GCF of 72 and 78?

Answer 1

http://www.helpwithfractions.com/math-homework-helper/greatest-common-factor/

Answer 2

Hello, thanks for responding to my question.

Answer 3

Are you there?

Answer 4

Hello and thanks for responding

Answer 5

\[72 = 2 \times 2 \times 2 \times 3 \times3\]\[78 = 2 \times 3 \times 13\]what factors do 72 and 78 have in common?

Answer 6

2 and 3

Answer 7

so GCF = 2 * 3 ~

Answer 8

Wowwww, so its the numbers 2 and 3, not just one of the numbers?

Answer 9

2 times 3 = 6 = gcf ~
6 is the gcf

Answer 10

So is 6 the GCF for both numbers

Answer 11

yes

Answer 12

now that was a little confusing!! lol

Answer 13

72 can divide by 1, 2, 3, 4, 6, 8, 12, 18, 24, 36, 72
78 can divide by 1, 2, 3, 6, 13, 26, 39, 78.
so 6 is the greatest common factors

Answer 14

the way i did earlier was