A square which is magic under multiplication instead of addition (the operation used to define a conventional Magic Square) is called a multiplication magic square. Unlike (normal) Magic Squares, the entries for an th order multiplicative magic square are not required to be consecutive. The above multiplication magic square has a multiplicative magic constant of 4,096.

**References**

Hunter, J. A. H. and Madachy, J. S. ``Mystic Arrays.'' Ch. 3 in *Mathematical Diversions.* New York: Dover,
pp. 30-31, 1975.

Madachy, J. S. *Madachy's Mathematical Recreations.* New York: Dover, pp. 89-91, 1979.

© 1996-9

1999-05-26