Question

For which pair of numbers is 4 a common factor.

Choose each correct answer.


14 and 20
14 and 20

40 and 52
40 and 52

20 and 42
20 and 42

16 and 24

Answer 1

Answer: 40 and 52

Explanation:

`40 =4 * 10, 52=4* 13`, so both 40 and 52 have a factor of 4.