The listed jackpot amounts refer to winners who opt for an annuity, paid over 30 years. Winners nearly always choose cash prizes, which for Powerball would be $546 million. The estimated cash prize for the next Mega Millions jackpot is $628.2 million.
Mega Millions and Powerball are both played in 45 states as well as Washington, D.C., and the U.S. Virgin Islands. Powerball also is offered in Puerto Rico.