Multiplicative Magic Square/Examples/Order 3/Smallest/Historical Note/Mistake

Source Work

 * The Dictionary
 * $216$
 * $216$


 * The Dictionary
 * $216$
 * $216$

Mistake

 * $216$ is the magic constant in the smallest possible multiplicative magic square, as discovered by .

only rediscovered a multiplicative magic square which had already been discovered by in $1893$, and in $1913$ by.