17, You Stubborn Rascal
Someone tries to arrange 17 dots into a rectangle every possible way, and there's always a leftover: 17 is prime.
Transcript
[17 dots arranged in many failed rectangles, each leaving leftovers] "Oh, 17, you stubborn rascal. You just won't factorize, will you?"
Use this cartoon
Free for classrooms, worksheets, slides and other non-commercial use under CC BY-NC 4.0, with credit to Ben Orlin.
Cartoon by Ben Orlin, Math with Bad Drawings. https://cartoons.mathwithbaddrawings.com/2024-09-03-17-you-stubborn-rascal/ (CC BY-NC 4.0)