How many zeros are at the end of 380!
Used this website: https://coolconversion.com/math/factorial/What-is-the-factorial-of_380_%3F
It's 94.
I don't know how to do this mathematically though...
To calculate the number of trailing zeroes we have
integer (380 / 5^1) + integer (380 / 5^2 ) + integer (380 / 5^3) =
integer (380 / 5) + integer (380 / 25) + integer (380 / 125) =
76 + 15 + 3 =
94 trailing zeroes
+865 
