https://www.siliconvalley.com/2022/11/08/powerball-used-to-have-a-jackpot-limit-then-it-exploded/

The Powerball lottery jackpot is expected to hit $1.9 billion — whenever the delayed drawing takes place — making it the largest lotto prize ever.

But in 1987 when Lotto America, the precursor to Powerball, was introduced, organizers prohibited jackpots of more than $80 million.