GPT-5.2 Just Solved a 30-Year Math Problem

Remember those brain-teaser math problems from school that made you want to throw your pencil? Now imagine ones so hard they’ve stumped mathematicians for decades.Paul Erdős, who published more papers than anyone in math history, left behind hundreds of these puzzles when he died in 1996. This weekend, GPT-5.2 Pro solved one.Neel Somani prompted the AI to tackle Erdős Problem #397, which asks whether infinitely many solutions exist for a specific equation involving central binomi