Big Factorials
Large factorials and the use of Stirling's Approximation.
Featuring Professor Ken McLaughlin.
Professor McLaughlin is based at Colorado State University: https://www.math.colostate.edu/~kenmcl/
We filmed this during his time at the Mathematical Sciences Research Institute.
69 Factorial: https://www.youtube.com/watch?v=kw6l_uTakRA