Divisibility Rules Applied

$$2,816$$  is divisible by which number?

Which choice is not divisibility of $$576$$ ?

What number is $$7,839,015,725$$  divisible by?

(a)  

Which choice is $$424,380$$  NOT divisible by?

Which is the BEST choice to use to reduce the fraction $$\frac{632}{728}$$  to the lowest possible number in 1 single try?

Use the BEST divisibility numbers to reduce the fraction $$\frac{220}{440}$$  to the lowest possible answer. What is that fraction?

$$7947$$ is divisible by which number(s)?

Select ALL that $$823,275$$ are divisible by.

What is the BEST number to begin using to reduce this fraction $$\frac{28}{116}$$ ?

(a)  

$$33,042$$  is divisible by which number?