three.
2 prisms
6 i think
3
Just one, although the orientation of the prism might vary.
Only one.
Four.
Three.
2 prisms
6 i think
There are only four different configurations.
93
3
Just one, although the orientation of the prism might vary.
Ignoring rotations, there are 3 distinct solutions.
4
The answer depends on the number. Note that the question does not require the solids to be in the form of cubiods (rectangular prisms).
Only one.