Primes of the enneomino

[enneomino]

2 × 9
13 × 135
15 × 57, 15 × 66, 15 × 69, 15 × 78, 15 × 99
19 × 45
21 × 60, ...
...

smallest rectangle: 2 × 9

[2 x 9 rectangle]

smallest known odd rectangles: 15 × 57, 19 × 45

[15 x 57 rectangle]

[19 x 45 rectangle]

Data for prime rectangles | Rectifiable polyominoes | Polyomino page | Home page | E-mail

Updated August 23, 2011.