Factors may help me ... I"m not sure
For example, the factors of 57 are: -57, -19, -3, -1, 1, 3, 19, and 57.
So I can get 57 a few ways including 1 x 3 x 19.
I was hoping there we a few more sets that would work for numbers like 257, but it seems that only integers that multiple up to...