For given positive integer n, what is the last non-zero digit of n!?
Example: factorial(11) = 39916800
Last non-zero digit is 8.
Optional: Can you make an efficient algorithm for very large n?
Solution Stats
Problem Comments
Solution Comments
Show comments
Loading...
Problem Recent Solvers77
Suggested Problems
-
Numbers with prime factors 2, 3 and 5.
683 Solvers
-
Make an awesome ramp for a tiny motorcycle stuntman
782 Solvers
-
283 Solvers
-
670 Solvers
-
Find the Oldest Person in a Room
21310 Solvers
More from this Author9
Problem Tags
Community Treasure Hunt
Find the treasures in MATLAB Central and discover how the community can help you!
Start Hunting!