Answer :
did u mean gcf?
if so..
factors of 32: 1, 2, 4, 8, 16, 32
factors of 52: 1, 2, 4, 13, 26
as you can see, 4 is the highest number included in both of them
if so..
factors of 32: 1, 2, 4, 8, 16, 32
factors of 52: 1, 2, 4, 13, 26
as you can see, 4 is the highest number included in both of them