Prime Magic Squares .......? They're all smaller than 12 x 12 .....!!
The link Prime Magic Square -- from Wolfram MathWorld has the 12 x 12 magic square you ask about. But ...... What David Wells said is wrong. The entry should read: The smallest magic square composed of consecutive primes and including the number 1 comprises the 143 odd primes from 3 upwards. The magic constant is 4514.