If you get three numbers right but not the Powerball, you win $7. Two numbers and the Powerball also wins $7. If you have only the Powerball or the Powerball and one other number, you win $4.
Odds of winning the jackpot are 1 in 175,223,510. Total odds of winning a prize are 1 in 31.85.
On November 28, 2012, the largest Powerball jackpot in history was won in Missouri and Arkansas. Total jackpot was $580 million!