A new puzzle every Saturday. Solutions one week later.

>>>>Basic Stats<<<<
1148 weeks, 1180 pages & 8036 days
22 years + 0 month + 0 days

>>>>Puzzlers Statistics<<<<
(updated on Feb 28 2019)

Puzzle of the week

Puzzle 1002. Consecutive primes that are also happy numbers
Celebrating our 22th happy anniversary

Curios by CR in Prime Curios!
(updated on Feb 28 2019)

The last five news

Date Puzzle about


May-24-2020 Puzzle 1001

Puzzle 859

Puzzle 728

Emmanuel Vantieghem, Jan van Delden and Oscar Volpatti

Carlos Rivera

Giovanni Resta

May-15-20 Puzzle 1000

Puzzle 29

Giovanni Resta, Emmanuel Vantieghem, Fausto Morales, Carlos Rivera

Giovanni Resta

May-8-20 Puzzle 999 and Puzzle 46

Puzzle 16 and 414

Giovanni Resta

Jan van Delden

May-1-2020 Puzzle 998

Col. 20th-020

Jan van Delden and Oscar Volpatti

Jan van Delden

April-24-20 Puzzle 997 Oscar Volpatti, Emmanuel Vantieghem, Jan van Delden and Sebastián Martín Ruiz.


These pages will be updated every Saturday morning -- Last Modified on: Friday, 22-May-2020 11:06:22 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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