Multiplicative Magic Square/Examples/Order 3/Smallest
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Example of Order $3$ Multiplicative Magic Square
The order $3$ multiplicative magic square with the smallest magic constant is:
- $\begin{array}{|c|c|c|}
\hline 18 & 1 & 12 \\ \hline 4 & 6 & 9 \\ \hline 3 & 36 & 2 \\ \hline \end{array}$
Its magic constant is $216$.
Also see
- Smallest Multiplicative Magic Square is of Order 3
- Smallest Magic Constant of Order 3 Multiplicative Magic Square
Historical Note
The order $3$ multiplicative magic square with the smallest magic constant is believed to have been discovered by Georges Pfeffermann in $1893$.
Some sources erroneously ascribe it to Harry A. Sayles in $1913$, as work by Georges Pfeffermann has only recently come to light.
It is also sometimes erroneously ascribed to Henry Ernest Dudeney, who in $1917$ also rediscovered it.
Sources
- Weisstein, Eric W. "Multiplication Magic Square." From MathWorld--A Wolfram Web Resource. https://mathworld.wolfram.com/MultiplicationMagicSquare.html