A new puzzle every Saturday. Solutions one week later.

>>>>Basic Stats<<<<
1209 weeks, 1240 pages & 8463 days
23 years + 1 Month + 31 days
>>>>Puzzlers Statistics<<<<
(updated on May 1, 2021)

Puzzle of the week

Puzzle 1047. p*2^p+1

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

Latest ten news


Date Puzzle about


10 July-23-21 Puzzle 1046 Giorgios  Kalogeropoulos, Emmanuel Vantiegehm, Simon Cavegn
9 July-16-21 Puzzle 1045 Giorgios  Kalogeropoulos, Adam Stinchcombe, Simon Cavegn and Paolo Lava, Jan van Delden and Emmanuel Vantieghem.
8 July-9-21 Puzzle 1044


Conjecture 90

Conjecture 001 & Puzzle 82

Simon Cavegn, Giorgios  Kalogeropoulos, Emmanuel Vantieghem

Jan van Delden

Jan Felisiak

7 July-2-21 Puzzle 1043 Emmanuel Vantieghem, Simon Cavegn, Giorgios  Kalogeropoulos
6 June-25-21 Puzzle 1042


Conjecture 15

Conjecture 90


Emmanuel Vantieghem, Simon Cavegn, Giorgios  Kalogeropoulos, Seiji Tomita, Adam Srtinchcombe, Hakan Summakoglu, Metin Sariyar, Oscar Volpatti

Richard Chen

Giorgios  Kalogeropoulos

Giorgios  Kalogeropoulos

5 June-18-21 Puzzle 1041


Conjecture 90

Giorgos Kalogeropoulos, Ivan Ianakiev, Emmanuel Vantieghem, Oscar Volpatti.

Jan van Delden

4 June-11-21 Conjecture 82 Alain Rochelli
3 June 4-21 Conjecture 89

Puzzle 178 and Puzzle 887

Adam Stinchcombe, Alain Rochelli

Richard Chen

2 May-28-21 Puzzle 1040

Puzzle 1039

Fred Schneider, Giorgos Kalogeropoulos, Jan van Delden,

Giorgos Kalogeropoulos

1 May-21-21 Puzzle 1039


Puzzle 614

Giorgos Kalogeropoulos, Oscar Volpatti, Paul Cleary, Simon Cavegn and Emmanuel Vanieghem.

Richard Chen


These pages will be updated every Saturday morning -- Last Modified on: Friday, 23-Jul-2021 14:52:13 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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