A new puzzle every Saturday. Solutions one week later.

Mar-25-2016
983 weeks, 1017 pages
18 years + 9 months +30 days
983x7 = 688| days since
May-23-1998

Puzzle 872. Integers (p^2)*Q

Date New Who
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

Mar-3-17 The BOINC-project.


Puzzle 865

Problems 66 and 53

Puzzle 839

Problem 20

Natalia Makarova send this announcement.

Jan van Delden updates his contribution to Puzzle 865

Emmanuel Vantieghem


Dmitry Kamenetsky

Letsko Vladimir

Feb-24-17 Puzzle 865 Jan van Delden
Feb-17-17 Puzzle 867

Problem 65

Emmanuel Vantieghem

Dmitry Kamenetsky

 

 

 

 


These pages will be updated every Saturday morning -- Last Modified on: Monday, 27-Mar-2017 14:42:23 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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