Question

What is the greatest common factor of 36 and 90 ?
A 6
B 18
C 36
D 180

Answer 1

B

Explanation:

It's 18! Obviously it's not 180 because it's too big. It can't be 36 because 36 doesn't go evenly into 90. 6 is too small, so the answer is 18.

Answer 2

B.18 do math it’s easy