-5 and -7
-155
Yes, because they can be multiplied by each other.
12 and 13
12 and 24
You need at least two numbers to find either of those.
-1
-45
-166
What to number multiple to get 48 but add to get 13
23
12
The factor pairs of 12 are (12, 1) (6, 2) (4, 3) None of them add up to 5.
The two numbers multiplied are 12*12, 1*144
528
18
-8
12 and 1