Some tiling of rectangles include:
The smallest square that can be cut into (m × n) rectangles, such that all m and n are different integers, is the 11 × 11 square, and the tiling uses five rectangles.1
The smallest rectangle that can be cut into (m × n) rectangles, such that all m and n are different integers, is the 9 × 13 rectangle, and the tiling uses five rectangles.23
Madachy, Joseph S. (1998). "Solutions to Problems and Conjectures". Journal of Recreational Mathematics. 29 (1): 73. ISSN 0022-412X. /wiki/ISSN_(identifier) ↩
Herringbone Tiles on a Bathroom Wall https://www.viapu.com/herringbone-pattern-in-interior/ ↩