No, you do not win anything by matching only 2 numbers on the Powerball game. Matching only the Powerball will win $4. Odds are 1 in 55.41.
Matching 3 numbers but no Powerball has a prize of $7. Odds are 1 in 360.14. The odds of winning the jackpot are 1 in 175, 223,510. The total odds of winning a prize are 1 in 31.85. You may also purchase a Power Play which will double and sometimes triple your winnings with the exception of the jackpot.
On November 28, 2012, the largest Powerball jackpot in history was won. $587 million was won by two people in Missouri and Arizona. On November 29, 2012, the California Lottery Commission voted to sell Powerball tickets in their state.