The Mega Millions lottery had a jackpot of over $1 billion in July 2023, after no ticket matched all six numbers in Friday nights draw. However, the Powerball lottery also had a jackpot of over $1 billion in October 2023, with an estimated cash value of $478.2 million. Therefore, both the Mega Millions and Powerball lotteries have had jackpots of over $1 billion.