Find the greatest common factor, tell whether the numbers are relatively prime. 56, 136

Holt McDougal Larson Pre-Algebra Common Core Edition page 782 number 12

Asked by Dee Dee on 25 Apr 07:19

Last updated by anonymous on 25 Apr 23:27

Answered by CherieS on 25 Apr 23:27

First factor the numbers

56 2*2*2*7

136 2*2*2 *17

2*2*2

They are not relatively prime because they have 2 as a factor

The GCF is the product of the shared columns

=2*2*2=8