there are in infinite amount
17
12, 24, 36 and so on.
64
29
12x12
1x9 3x3
The numbers that add to -17 and multiply to 20 are -5 and -4. When you add -5 and -4, you get -17. When you multiply -5 and -4, you get 20.
host cell
19
346
24, 48, 72 and so on.
1x100 2x50 4x25 5x20 10x10