Find the HCF by prime factoriztion and division method:

$84 ,108$ and $144$

Find the LCM of $15$ and $85$.

Find the LCM of $9$ and $27$.

Find the LCM of $25$ and $6$.

Find the LCM of $13$ and $91$.

Find the LCM of $82$ and $92$.

Find the LCM using prime factorization:

$15,30$ and $45$

Find the LCM using prime factorization:

$125,175$ and $200$