A new puzzle every Saturday. Solutions one week later.

Dec 20, 2014

Puzzle 769. Magic squares and consecutive twin primes.

Date New Who
Dec-19-14 Puzzle 768

Conjecture 72

Conjecture 29

Seiji Tomita

Islem Ghaffor

Dana Jacobsen

Dec-12-14 Conjecture 72


Puzzle 80

Problem 38, Problem 59

Carlos Rivera, Dmitry Kamentsky, Fred Schneider, Jeff Heleen.

Natalia Makarova

Jonathan Sondow

Dec-5-14 Puzzles 764, 766 & 767


Puzzle 80
 

Dmitry Kamenetsky for the three puzzles; Emmanuel Vantieghem for the last puzzle.


Natalia Makarova

 

 

 

 


These pages will be updated every Saturday morning -- Last Modified on: Friday, 19-Dec-2014 16:51:16 MST

"Many thanks to Martha Rivera, Miguel H. Rivera and  G. L. Honaker, Jr. for reviewing and correcting the  very first version of these pages, May 1998 "

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