what is the gcf of 28,56, and 84

Mathematics · Middle School · Mon Jan 18 2021

Answered on

Find the prime factorization of 28 are:

= 2x2x7

Find the prime factorization of 56 are:

=2x2x2x7

Find the prime factorization of 84 are:

=2x2x3x7
 

  1. To find the GCF multiply all the prime factors common to both numbers:
    So
  2. GCF = 2 x 2 x 7
  3. GCF = 28