A new puzzle every Saturday. Solutions one week later.

939 weeks, 973 pages
17 years + 11 months +28 days
939x7 = 6574 days since

Puzzle 831. Rings of primes.

Date New Who
May-20-16 Puzzle 830  Emmanuel Vantieghem
May-13-16 Puzzle 829 Emmanuel Vantieghem and Jan van Delden
May-06-16 Puzzle 828 Jan van Delden





These pages will be updated every Saturday morning -- Last Modified on: Friday, 20-May-2016 16:30:27 MDT

"Many thanks to Martha Rivera, Miguel H. Rivera and  G. L. Honaker, Jr. for reviewing and correcting the  very first version of these pages, dated on May 23, 1998 "

Copyright 1998-2012: Design by: ALDI