9
101
170
42
167
2 and 4 3 and 3 9 and -3 12 and -6 18 and -12
The factors of 8 are 1, 2, 4, and 8. The factors that add up to 10 are 2 and 8.
47
212
1012
1510
To find factors of -504 that add up to -3, we must consider both positive and negative factors. The factors of 504 are 1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 56, 63, 72, 84, 126, 168, 252, and 504. By considering the negative factors as well, we can identify that -7 and -72 are factors of -504 that add up to -3.
15 and 4 are the factors of 120 that add up to 19.