Math with Bad DrawingsCartoon Archive

Semiprime, Semiwidow

May 20, 2025

A wife objects to the name 'semiprime,' then applies the same logic to call herself a 'semiwidow' (a woman with one living husband).

Content note: Mild morbid humor (widowhood).

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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/2025-05-20-semiprime-semiwidow/ (CC BY-NC 4.0)
Transcript

[1] A (at board "35 = 5 × 7"): "A semiprime is the product of exactly two prime factors." B: "Why? That's not what 'semi' means."

[2] A: "Sure it is. Like, it's as close as you can get to being prime, without actually being prime." B: "By that logic, I am a semiwidow: a woman with exactly one living husband."

[3] A: "That's not the same at all!" B: "You're semiright. I semirespect your viewpoint on this." [Board: "the semideceased" (A) / "the semigrieving" (B)]

Topics
Number Theory › SemiprimesNumber Theory › PrimesNumber Theory › Prime FactorizationMath Culture › Math Vocabulary
Level
Middle SchoolHigh School
Themes
Language & WordplayFamily & Relationships