Question

Which of the following numbers is a factor of 78?

Choose 1 answer :

A- 7

B- 4

C- 6

D- 9

Answer 1

Explanation:

78 = 2 * 39 = 2 * 3 * 13.

Since 6 = 2 * 3 and its factors can be found in 78,

Hence the answer is 6. (C)