The Least Common Multiple $(LCM)$ of $6$ and $20$ is .......

If $\text{HCF}(65, 117) = 65m - 117$,then find the value of $m$.

Find the $HCF$ of $96$ and $404$ by the prime factorization method,and hence find their $LCM$.

Find the $HCF$ and $LCM$ of the integers $8$,$9$,and $25$ by the prime factorization method.

The decimal representation of $35457 / 6250$ terminates after how many decimal places?

For the decimal expansion of a rational number $\frac{p}{q}$ to be terminating,if $q = 2^m \cdot 5^n$,then $m, n \in$ . . . . . . ($R$,$N \cup \{0\}$,$Z$)