If no cut intersects any previous cuts, then you can just slice it into 14 pieces.
If you do not re-stack the pieces, then 15 cuts.
21 cuts required to cut a cube into 504 identical pieces.
324
216
Just a guess . . . 1,024
If you do not re-stack the pieces, then 15 cuts.
21 cuts required to cut a cube into 504 identical pieces.
9 pieces
324
216
7
26
four
We'll say 9 cuts.
6 if cut like a normal pizza and 3 if cut without overlapping
26
7