answersLogoWhite

0

To figure this out you should first express the numbers as the product of their prime factors:

27 = 3x3x3

45 = 3x3x5

The next step is to identify any common prime factors. Both numbers have two 3s as prime factors. Multiply these together and you get:

3x3 = 9

Thus 9 is the HCF of 27 and 45.

User Avatar

Wiki User

13y ago

What else can I help you with?