Powerball numbers are drawn every Wednesday and Saturday night at 10:59pm EST. Sales stop at least 59 minutes before the number is drawn.
Each ticket costs $2. The winner may choose either a lump sum payment, or an annuity that pays out over 29 years.
On November 28, 2012, the largest Powerball jackpot in history, $587.5 million was won. There were two winners in Missouri and Arizona. On November 29, 2012, the California State Lottery voted to sell Powerball tickets. Ticket sales will begin on April 8, 2013.