Question

Using Fundamental theorem of Arithmetic, find the HCF and LCM of

a). 15, 18, and 45
b). =
2
2
and =
3

​

Answer 1

Answer:

hcf of 15 and 18 is 3

and 45 and 18 is 9

and similarly of 3 and 9 is 3.

lcm is 90.