Find the $HCF(510, 92)$.

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

In the decimal representation of $\frac{7}{80}$,how many digits will be there after the decimal point?

If $p$ and $q$ are distinct prime integers,then their least common multiple $(LCM)$ is . . . . . . .

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

If two zeros of the polynomial $p(x) = x^3 + x^2 - 5x - 5$ are $\sqrt{5}$ and $-\sqrt{5}$,then the third zero is . . . . . . .