The smallest positive divisor greater than $1$ of a composite number $a$ is

The number of sequences of ten terms,whose terms are either $0$,$1$,or $2$,that contain exactly five $1$s,exactly three $2$s,and two $0$s,is equal to:

The number of zeros at the end of $100!$ is

Among the positive divisors of the number $12600$,if $n_1$ is the number of divisors which are multiples of $3$ and $n_2$ is the number of divisors which are multiples of $14$,then $n_1 + n_2 =$

The number of positive divisors of $1080$ is

The coefficient of $x^3 y^4 z^5$ in the expansion of $(x y+y z+x z)^6$ is