15 and 4 are the factors of 120 that add up to 19.
113
The factors of 21 that add up to 8 are 1 and 7.
factors of 30 that add to 17 are 2 and 15
19 and 19
There aren't any. All multiples of 24 are greater than 19. If you mean factors, you can use 12, 6 and 1 or 8, 6, 3, 2.
The factors that multiply to 120 and add up to -8 are -12 and 10. This is because when you multiply -12 and 10, you get -120, and when you add them together, you get -8. Thus, the pair of factors you are looking for is (-12, 10).
47
146
-1, 6 and -12.
91
139
Since 19 is a prime number, it only has two factors - 1 and 19.
-10 and 2 -12 and 4 -20 and 12
-19
154
113
The factors of 64 are 1, 2, 4, 8, 16, 32 and 64. No two of them add up to 19.