Sagot :
Prime Factorization of 18: 3 x 3 x 2
Prime Factorization of 28: 7 x 2 x 2
So therefore, the GCF is 2
Prime Factorization of 28: 7 x 2 x 2
So therefore, the GCF is 2
Here= 18 28 Prime Factorization=18:3,3,2
/ \ / \ 28:7,2,2
6 x 3 7 x 4
/ \ / \ 7 x 3 x 3 x 2 x 2=252
2 x 3 2 x 2
Here= 18=1x18,2x9,3x6
28=1x28,2x14,4x7
GCF=1,2
GCF=2
/ \ / \ 28:7,2,2
6 x 3 7 x 4
/ \ / \ 7 x 3 x 3 x 2 x 2=252
2 x 3 2 x 2
Here= 18=1x18,2x9,3x6
28=1x28,2x14,4x7
GCF=1,2
GCF=2