Meanings
- mathematicsThe challenge of proving that the only solution of the Diophantine equation :∑ₙ₌₁ᴺn²=M²; with N > 1 is when N = 24 and M = 70.
Origin
It can be visualized as the problem of taking a square arrangement of cannonballs on the ground and building a square pyramid out of them.
Full word history & related roots →Cite this entry
cannonball problem. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/cannonball%20problem
“cannonball problem.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/cannonball%20problem. Accessed November 2, 2026.
WatkinsX Dictionary, s.v. “cannonball problem,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/cannonball%20problem.
Source: cannonball problem on Wiktionary, CC BY-SA 4.0.