0
Wiki User
There is no answer to this. The factors of 15 are 1, 3, 5 and 15. The only numbers that add up to four are 1+3, 4+0 and 2+2.
Grace Tillman ∙
20
-17
-30
-127
3452
17
-936
-117
-21, 27
22
137
5