彩金多长时间可以增加一次？

For some lotteries, there is a limit to the jackpot amount. As with other lotteries, the jackpot can rise without limit.

Lotteries such as Powerball and Mega Millions have had jackpots in excess of $1.5 billion in the past. For each lottery, there is a page that provides information about the minimum jackpot, the maximum jackpot, and what happens if the limit is reached.