That are the greatest common factors of 16 28 and 48

4

Step-by-step explanation:

The factors of 16 are:1 2 4 8 16

the factors of 28 are:1 2 4 7 14 28

the factors of 48 are: 1 2 3 4 6 8 12 16 24 48

and so the common factors are : 1 2 4 the greatest one is 4 and so the answer is 4

The answer is 4 because 4x4 is 16 4x7 is 28

4x12 is 48 they all start wit 4