DETROIT (AP) — This could buy a lot of Labor Day weekend sunblock: Saturday's Powerball jackpot is estimated at $1 billion, the sixth-largest prize in the game's history.

Powerball, which costs $2 per ticket, is played in 45 states, the District of Columbia, Puerto Rico and the U.S. Virgin Islands. The jackpot has been growing each week because no one has matched all six numbers since May 31.

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