A new puzzle every Saturday. Solutions one week later.

987 weeks, 1021 pages
18 years + 10 months +30 days
987x7 = 6909 days since

Puzzle 876.Prime Tuples

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Date New Who
Apr-21-17 Puzzle 875


Puzzle 823

Conjecture 78

Emmanuel Vantieghem, Jan van Delden, J. K. Andersen, Dmitry Kamenetsky and Michael Hürter

Michael Hürter

Reza Farhadian


Apr-14-17 Conjecture 79 Carlos Rivera
Mar-31-17 Puzzle 872 J. K. Andersen, Jaroslaw Wreblowski and Emmanuel Vantieghem



Mar-24-17 Puzzle 871

Problem 20

Jaroslaw Wrobleski, Seiji Tomita and Jan van Delden

Letsko Vladimir

Mar-17-17 Conjecture 7

Conjecture 30

Reza Farhadian

Reza Farhadian, Mr. Jahangeer Kholdi by Farideh Firoozbakht


These pages will be updated every Saturday morning -- Last Modified on: Friday, 21-Apr-2017 15:58:29 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 "

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