Respuesta :
the pairs are 2 and 4
7 and 15
32 and 64
56 and 72
factor each
2 and 4
nope, they aren't even equal to 8
7 and 15
nope, their GCF is 1
32 and 64, nope, their GCF is 32
56 and 72
56=2*2*2*7
72=2*2*2*3*3
gcf=2*2*2=8
answer is 56 and 72
7 and 15
32 and 64
56 and 72
factor each
2 and 4
nope, they aren't even equal to 8
7 and 15
nope, their GCF is 1
32 and 64, nope, their GCF is 32
56 and 72
56=2*2*2*7
72=2*2*2*3*3
gcf=2*2*2=8
answer is 56 and 72