The last digit of $2^5 \cdot 5^5$ is........

The Least Common Multiple $(LCM)$ of the smallest prime number and the smallest composite number is ..........

If $HCF(a, b) = 8$,$LCM(a, b) = 64$ and $a > b$,then $a = \dots$

For any positive integer $n$,the last digit of $5^n$ is always . . . . . . .

Without performing long division,state whether the decimal expansion of the rational number $\frac{13}{3125}$ is terminating or non-terminating repeating.

The Least Common Multiple $(LCM)$ of the smallest prime number and the smallest composite number is . . . . . . .