2 X 3 X 4 = 24.
1, 2 & 24 or 1, 3 & 16 or 2, 3 & 8 etc
-19
-14
none
4x6 - 3x8
14
The numbers are: 24 and -4
The three prime numbers which multiply to make 231 are 3 x 7 x 11.
20
1,2,4
24, 48 and 240048 are three possibilities.
How about: 4*6 = 24 as one example