Nobody won the Powerball jackpot last week, so the top prize is going up to about $425 million for the next drawing. It's the largest jackpot ever for the game.

Sales were strong over the holiday week for Saturday's drawing, which was $325 million before the numbers were picked. That was the fourth-largest jackpot in the game's history. The jackpot for Wednesday's drawing could go even higher than $425 million because sales pick up in the days before record drawings.

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