Answer: the gcf is 8Step-by-step explanation: factors of 8:1 , 2 , 4 , 8 factors of 16:1,2,4,8,16factors of 32:1, 2, 4, 8, 16 and 32 since they all have 8 as their common factor and is the greatest common factor among any number, that means the gcf of 8,16,and 32 is 8 hope it helps!