What is a magic square? Is it possible to make a magic square with all prime numbers? How many such squares are there? - Quora
Tony Varilly-Alvarado on X: "A super fun experience at MSRI/SLMath @mathmoves this last semester! @numberphile video on magic squares of squares is out! I can't believe @BradyHaran also got Matt Parker to
![Matt Parker - A Funny Thing Happened on the Way to the Formula - National Museum of MathematicsNational Museum of Mathematics Matt Parker - A Funny Thing Happened on the Way to the Formula - National Museum of MathematicsNational Museum of Mathematics](https://in.momath.org/sites/default/files/civicrm/persist/contribute/images/matt_parker_cover.jpg)
Matt Parker - A Funny Thing Happened on the Way to the Formula - National Museum of MathematicsNational Museum of Mathematics
![Matt Parker on X: "Today is the 21st day of the 21st year of the 21st century! To celebrate here is a 21 by 21 magic square which has a magic total of 21. (thanks to @IJTANEJA: https://t.co/eij43nC3XV ) https://t.co/ugtiWk2aX2" / X Matt Parker on X: "Today is the 21st day of the 21st year of the 21st century! To celebrate here is a 21 by 21 magic square which has a magic total of 21. (thanks to @IJTANEJA: https://t.co/eij43nC3XV ) https://t.co/ugtiWk2aX2" / X](https://pbs.twimg.com/media/EsQ6GPlWMAMk7Vh.jpg:large)