The Prime Puzzles & Problems Connection, by Carlos Rivera

A new puzzle every Saturday. Solutions one week later.

Basic Stats
Apr-20-2019
1091 weeks, 1124 pages & 7687 days
20 years + 10 months + 28 days
since
May-23-1998

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

Puzzle of the week

Puzzle 950. Bi-truncatable primes

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

The last five news
Date	Puzzle about	Solvers
April-19-19	Puzzle 949	Adam Stinchcombe, Pierandrea Formusa, Jeff Heleen and Simon Cavegn
April-12-19	Puzzle 948 Coll20th-11	Giovanni Resta Ken Wilke, Giovanni Resta
April-05-19	Puzzle 68	Bogdan Golunski, announces a prime bordered magic square 503x503.
March-29-19	Puzzle 947	Emmanuel Vantieghem
March-22-19	Puzzle 946	Giovanni Resta, Emmanuel Vantieghem, John Arioni and Jan van Delden.

These pages will be updated every Saturday morning -- Last Modified on: Friday, 19-Apr-2019 14:11:23 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 "