American Mathematical Monthly Problems - 2013

Below you can find the solutions that I've submitted this year (pdfs will be available after the deadline). As regards the previous years, you can take a look here: 2012 (22), 2011 (22), 2010 (15), 2009 (13), 2008 (16), 2007 (15), 2006 (16), 2005 (22), 2004 (14), 2003 (13), 2002 (6), 2001-1993 (19).
For anyone who is interested in sharing hints and solutions, please feel free to contact me at:


Problem 11716 - 06 - O. Knill (USA).

Problem 11715 - 06 - M. Stofka (Slovakia).

Problem 11713 - 06 - M. Bencze (Romania).

Problem 11712 - 06 - D. W. Cranston (USA) and D. B. West (USA).

Problem 11711 - 05 - J. A. Grzesik (USA).

Problem 11709 - 05 - M. Omarjee (France).

Problem 11707 - 05 - J. L. Palacios (Venezuela).

Problem 11705 - 05 - J. Loase (USA).

Problem 11704 - 04 - O. Bernardi (USA), T. Arielly de Lima (Brazil), and R. Stanley (USA).

Problem 11699 - 04 - B. Farhi (Algeria).

Problem 11697 - 02 - By M. Omarjee (France).

Problem 11696 - 02 - By E. Hysnelaj (Australia) and E. Bojaxhiu (Germany).

Problem 11692 - 02 - By C. Lupu (USA) and S. Spataru (Romania).

Problem 11690 - 01 - By P. P. Dalyay (Hungary).

Problem 11686 - 01 - By M. Bataille (France).

Problem 11685 - 01 - By D. Knuth (USA).