Find the H.C.F. of the following with the help of prime factorisation method.

$120, 104$

Find the H.C.F. of the following with the help of prime factorisation method.

$144, 198$

Find the H.C.F. of the following with the help of prime factorisation method.

$150, 140, 210$

Find the H.C.F. of the following with the help of prime factorisation method.

$108, 135, 162$

Find the H.C.F. of the following by the division method.

$252, 576$

Find the H.C.F. of the following by the division method.

$300, 450$

Find the H.C.F. of the following by the division method.

$72, 96, 144$

Find the H.C.F. of the following by the division method.

$120, 300, 105$