Find the HCF of the following numbers by means of prime factors.

$546$ and $624$

Find the HCF of the following numbers by means of prime factors.

$95$ and $120$

Use prime factorisation to determine the LCM of following numbers.

$54$ and $60$

Use prime factorisation to determine the LCM of following numbers.

$54$ and $72$

Use prime factorisation to determine the LCM of following numbers.

$60$ and $72$

Use prime factorisation to determine the LCM of following numbers.

$48$ and $60$

Use prime factorisation to determine the LCM of following numbers.

$120$ and $180$

Use prime factorisation to determine the LCM of following numbers.

$95$ and $150$

Use prime factorisation to determine the LCM of following numbers.

$54$ and $90$