3 & 8
8x3
35
8 and 3
35
-156
24 and 1 20 and 5 15 and 10 12, 8 and 5
The common factors of 10 and 24 are 1 and 2
14
None. Factors of 24 are: X|Y 1|24 2|12 3|8 4|6 Adding them together: 1+24=25 2+12=14 3+8=11 4+6=10
The factors of -504 are 2, 2, 2, 3, 3, 7 and -1. Then the factors that add to -3 are -24 and 21.
15 and 4 are the factors of 120 that add up to 19.