• Hi

Question related to mission _R Digital root sum

 

Hi, I have got problem while trying to solve this on the following test:

checkio(999) == 75

my result is 120, and all possible factorization of 999 I think are:

[[3, 3, 3, 37], [3, 9, 37], [3, 3, 111], [27, 37], [9, 111], [3, 333], [999]]