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
-
Remove all the words that end with "ain"
2223 Solvers
-
1154 Solvers
-
583 Solvers
-
8201 Solvers
-
Number of Even Elements in Fibonacci Sequence
1261 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!