A new puzzle every Saturday. Solutions one week later.

>>>>Basic Stats<<<<
May-30-2026
1462 weeks, 1493 pages & 10234 days
28 years 0 Months 7 days
Since May 23 1998

Puzzle of the week

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

Latest ten news

No.

Date Puzzle about

Solvers

10 May-29-26 Problem 93


Problem 92
Michael Branicky, Paul Cleary, Oscar Volpatti

Emilia Gurisatti
9 May-22-26 Puzzle 1268

Puzzle 1264
Emmanuel Vantieghem

Simon Cavegn got a new record of twin & emirps primes!
8 May-5-26 Puzzle 1267


Puzzle 1266

Puzzle 124

Puzzle 55
Emmanuel Vanieghem, Carlos Rivera


Ashaz Jameel

Arina Bator

Ashaz Jameel
7 May-8-26 Puzzle 1266 Raid Zaman, Jeff Heleen, Michael Branicky, Paul Cleary, Emmanuel Vantieghem,  Simon Cavegn
6 May-1-26 Conjecture 111


Puzzle 170

Puzzle 1143
Emmanuel Vantieghem, Gennady Gsev, Simon Cavegn

Ashaz Jameel

Ashaz Jameel
5 Apr-24-26 Puzzle 20


Problem 92

Puzzle 14


Personal Page
Serge Batalov (a BIG! record for Emirps)

Arkadiusz Wesolowski

Patick De Geest (He found the fifth palprime known of the form {n^2+(n+1)^2})
Carlos Rivera, updated his personal page.
4 Apr-17-26 Puzzle 1265




Puzzle 1143
J. M. Rbert, Jeff Heleen, Emmanuel Vantiegehm, Gennady Gusev, Paul Cleary, Simon Cavegn, Oscar Volpatti

Ashaz Jameel
3 Apr-10-26 Puzzle 899



Puzzle 1264
Arkadiusz Wesoloski. He got a near-miss to break a supposed limit that hasn't been proved yet.

Simon Cavegn
2 Apr-3-26 Puzzle 1263

Puzzle 1254

Puxzle 121

Puzzle 20
Ashaz Jameel.

Mike Keith through G. L. Honaker, Jr.

Gennady Gusev

Ashaz Jameel
1 March-27-2026 Puzzle 1263



Puzzle 1262

Puzzle 1143
Michael Branicky, Carlos Rivera, Gennady Gusev, Emmanuel Vantieghem

Ashaz Jameel

Carlos Rivera

 


These pages will be updated every Saturday morning -- Last Modified on: Friday, 29-May-2026 17:21:32 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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