History repeats itself a lot in our everyday lives, the reason for that is because it reminds us how things were back in olden days, and get repeated in the future, We learn new things every day because of history, without history, we would be nowhere
Explanation:
Finding the (maximum) respective prime powers would yield the answer. Also we need not ... Is perfectly divisible by 720^n? ... So we can say that for any positive value of n it not divisible.