17
There isn't an answer to this. The factors of 5 are 1 and 5. Added together are 6.
31 and 5
127 + 5
43 + 5
They are -3 and -5
25 and 5 but there are more ways that equal to 125
The prime numbers (factors) of 250 are: 2 and 5
-5 - 5sqrt(2) and 5 - 5sqrt(2)
-13
5 and 12
17 and 5