Page 8 - ln2-4

Product of common prime

factors:

 Example 1:  Example II:

 Find the HCF of 24

and 60.

24 = 2 X 2 X 2 X 3

60 = 2 X 2 X 3 X 5

 Product of common

prime factors: of 24

and 60 = 2 X 2 X 3 =

12

Hence, the HCF is 12.

 HCF OF 420 and 132 : 2

x 2 x 3