The story
Formulated in 1993 by Andrew Beal.
Etymology from Wiktionary, CC BY-SA 4.0.
Beal conjecture
Today it means: A conjecture stating that, if Aˣ+Bʸ=Cᶻ, where A, B, C, x, y, and z are positive integers with x, y, z > 2, then A, B, and C have a common prime factor. Full definition →