Puzzle Archive

September 2018 solution

The smallest product we were able to find is 1203200, which results from the shading shown on the left. Congrats to those of you who found it!

Correct answers from:
Gwennie Gilbert-Snyder
Thomas HUET
Nikhil Reddy, Calvin Yost-Wolff, Alice Lin
Josh Marza
Diego Quarati
Guillermo Wildschut
Michael Peng
Allen Zhu
Hutama
Calvin Pozderac
Alex Chatfield
Stephen Cappella
David Domonoske
mikelietz
Heidi Stockton
George Wahid
Guilherme Campos
Andrew Hwang
Adam Busis
Sandip Ghoshal
gsps
Anthony Das
arriopolis
Charlie Li
Petra
Stranger
Valerii G
Lego Haryanto
Annemie Hanson
Maciek
Alexander Skabelin
Brian Albert
Sean Egan
Nick HS
David Hashe
James Miller
Nicolas Auguin
Matthew Ung
Fanyi Zhou
Erik Tamm
Alex Ray
IXL Learning
ezboi
Marshall Grinstead