Project Euler Problem 020
Statement
n! means n × (n − 1) × … × 3 × 2 × 1
Find the sum of the digits in the number 100!
Solution
On a language like Python that can handle large numbers
easily.
if __name__ == '__main__': num = 1 for i in range(1, 100+1): num *= i result = 0 while num > 0: result += num % 10 num //= 10 print("The result is:", result)
The Python file is available for download here.
