Hosted by The Math Forum## Problem of the Week 1119## An Odd Even MatchMatch each of the even numbers between 2 and 30 with a different odd number between 1 and 29 so that the fifteen resulting sums are pairwise relatively prime. Source: Bernardo Recaman, Bogota, Colombia. © Copyright 2009 Stan Wagon. Reproduced with permission. |

18 September 2009