A new puzzle every Saturday. Solutions one week later.

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(updated on May 1, 2021)

Puzzle of the week

Puzzle 1153 a new sequence...

Curios by CR in Prime Curios!
(updated on April 30, 2021)

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Date Puzzle about


10 Dec-1-23 Puzzle 1152 Giorgos Kalogeropoulos, Vicente Felipe Izquierdo, Emmanuel Vantieghem, Mchael Branicky, Gennady Gusev, Paul Cleary, Oscar Volpatti, JM Rebert & Shyam Sunder Gupta.
9 Nov-24-23 Puzzle 1151 Giorgos Kalogeropoulos, J-M Rebert, M. Branicky, G. Gusev, Shyam S. Gupta, Oscar Volpatti, Emmanuel Vantieghem
8 Nov-17-23 Puzzle 1150 Giorgos Kalogeropoulos, JM Rebert, G. Gusev, M. Branicky, A. Rocheli, E, Vantieghem, K. Wilke
7 Nov-10-23 Puzzle 1149 Adam Stinchcombe, Alessandro Casini, Giorgos Kalogeropoulos, Oscar Volpatti, Emmanuel Vantieghem
6 Oct-27-23 Puzzle 1147 J-M Rebert, Alain Rochelli, Oscar Volpatti
5 Oct-13-23 Conjecture 102

Oscar Volpatti, Alessandro Casini, Emmanuel Vantieghem


4 Set-29-23 Puzzle 1144 Alessandro Casini
3 Set-22-23 Puzzle 1143 Michael Branicky, J-M Rebert, Giorgos Kalogeropoulos, Oscar Volpatti, Gennady Gusev, Alessandro Casini, Simon Cavegn.
2 Set-15-23 Problem 88 Jan van Delden, Alessandro Casini, Emmanuel Vantieghem.
1 Aug-25-23 Puzzle 1140 Alejandro Casini,  Ken Wilke, Adam Stinchcombe, Emmanuel Vantieghem


These pages will be updated every Saturday morning -- Last Modified on: Friday, 01-Dec-2023 18:22:59 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, dated on May 23, 1998 "

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