If m is the smallest positive integer such that m! is a multiple of 4125, and n is the smallest positive integer such that n! is a multiple of 2816000, then find n-m.
Hello,
m and n can only be bigger than 4125 or 2816000,
m=15 15!4125=317011968 and
n=15 15!2816000=464373 .
n is also 15.
Straight