There is no such number. Every number can be multiplied by 3 and every number can be multiplied by 4.
-1
2 and 6 3 and 4
Divide 4 by 2, then multiply by 3 and then add 4
-7
-1
The numbers are 3 and 4
-13
There are 4 of them which are 2*3*3*3 = 54
1188
-17
-1
-7