The book is now available! 9551
(another Prime Pages' Curiosity)
Prime Curios!
Curios: Curios Search:
 
Participate:
+ Compare 9551 with the 9551st prime. [Punches]

+ The largest prime found in the following array:

 9 1 3 3
 1 5 8 3
 7 5 2 9
 3 9 1 1.
Every row, column, and main diagonal is a different emirp. Ignoring rotations, it is the only possible 4-by-4 prime magic square of this type.

  To link to this page use http://primes.utm.edu/curios/page.php?number_id=3689



Prime Curios! © 1999-2009 (all rights reserved)