Question

What is the HCF of 54, 45 and 72 and how?

Answer 1

Answer:

the factors of 54 are 2, 3,3,3

45= 3,3,5

72= 2,2,2,3,3

now we have to take common from all factors ie we have to take the number which is present in all three number factors....hence 3 is present in factors of

the hcf will be 3 multiply 3 that is 9

Answer 2

Answer:

The H.C.F will be 9.

Refer the attachment

Hope it helps