Sum of digits of factorial problem

Revision en1, by Shuaib, 2016-03-31 12:10:33

Hi,

How can I find the sum of digits in a factorial of a number N, where N can be in range [1, 2000]? Can it be done without resorting to BigNum libraries?

Tags factorial, math

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en1 English Shuaib 2016-03-31 12:10:33 192 Initial revision (published)