e) 12, 15, 18
f) 30, 45, 60
g) 156,
a) 8, 12 and 20 are three given whole numbers.
(i) Write the factors of these numbers separately.
(ii) What are the common factors of these numbers?
(iii) Among these common factors, which one is the greatest number
divides 8, 12 and 20 without leaving a remainder?