Problem 44067. The last non-zero digit of a factorial
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 commentsProblem Recent Solvers66
Suggested Problems
-
607 Solvers
-
Sum the numbers on the main diagonal
565 Solvers
-
Spot the First Occurrence of 5
415 Solvers
-
865 Solvers
-
7171 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!