Find the HCF of the numbers: $25$ and $125$

Find the HCF of $30$ and $90$.

Find the HCF of the following numbers:

$13$ and $52$

Find the HCF by prime factoriztion and division method:

$12,20$ and $36$

Find the HCF by prime factoriztion and division method:

$14,70$ and $126$

Find the HCF by prime factoriztion and division method:

$15,25$ and $145$

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 $27$.