Find a 3x3 magic square that is composed of 9 prime numbers (not the numbers from 1-9) and show how you found it.

(A magic square, as you may already know, is one in which the respective sums of the numbers in all the rows, columns, and both major diagonals all add up to the same number.)
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Since "Magic Square" is a term used outside the scope of this problem, I'm sure you can find an answer on the internet. Please find a solution independently.

just for the record 2 samples:

71 89 17
5 59 113
101 29 47


103 79 37
7 73 139
109 67 43

source: a book on mag.sq.
ady

Posted by Ady TZIDON on 2004-03-09 16:44:10