Question

What is a hcf of 54 and 72​

Answer 1

The HCF of 54 and 72 is 18

Answer 2

As per the data given in the question,

We have to determine the value of HCF of 54 and 72.

As we know that,

HCF is also called as Highest Common Factor is nothing but the maximum value of number which is factor of the given numbers.

So, for finding the value of HCF of 54 and 72,

Let us find it through the method of prime factorisation,

So, prime factorisation of 54 and 72 will be,

$54 = 2\times 3\times 3 \times 3\\72 = 2\times 3 \times 3\times 2 \times 2\\HCF = 2 \times 3^2\\=> HCF = 2\times 9 = 18$

Hence, HCF of 54 and 72 will be 18.