34
167
34
20
104
64
-43
-20
-355
The factors of -60 that add up to 17 are 20 and -3. When you multiply 20 and -3, you get -60, and when you add them together, you get 17. Therefore, the pair of factors you are looking for is 20 and -3.
Since 19 is a prime number, it only has two factors - 1 and 19.
no
They are: 12 14 15 16 18 and 20 because they all have more than two factors