Kill Your Enemy

You are Playing PUBG. You have faced one enemy whose Health is $H$. You have $n$ powers $a_1,a_2,a_3,\dots , a_n$. If you use $i$ th power than your enemy's health will decrease by factor of $a_i$. You can only use $i$th power if enemy's Health is divisible by $a_i$. Print the minimum health Enemy can have after you use atmost $1$ power. Note : It is possible that you will not be able t