The numbers are -2 and -12 because -2 times -12 = 24 and -2+(-12) = -14
20
24
399
2584
The factor pairs of 123 are (123,1)(41,3) Even considering their negative counterparts, nothing adds up to -24
102
20
24
24 and 3
399
74
24 and 5
-151
-151
-14
2584
14