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“Prime numbers”

Result for Ultra Magic Squares of prime numbers

The competition Ultra Magic Squares of prime numbers is over. Thanks to all people that have partecipate. The result is in this table: [insert_php] include_once “pmg/pmg.php”; echo pmg_db_get_result(3); [/insert_php] Here are the best solution arrived after the ending of the competition: [insert_php] echo pmg_db_get_result_extra(3); [/insert_php]

Pandiagonal Squares of Consecutive Primes

Competition #2 This competition is organized by Макарова Наталия (Natalia Makarova) Definitions Definition 1: Pandiagonal magic squares Magic square is called pandiagonal, if the sum of the numbers in each of the broken diagonal is the magic constant of the square. For example – pandiagonal square of order 8 of prime numbers: 5 13 463 […]

Magic Cubes of Prime Numbers

Competition #1 This competition is organized by Макарова Наталия (Natalia Makarova) Definitions Definition 1: Magic Cubes A magic cube is the 3-dimensional equivalent of a magic square, that is, a number of integers arranged in an n x n x n pattern such that the sum of the numbers on each row, each column, each […]