The golden Quick Pick ticket matched all the numbers drawn ( 1-2-16-24-66 Mega Ball 6) and was purchased at the Murphy USA gas station on 7520 Highway 90, across from Constellation Field.
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The $800 million price is the seventh largest jackpot in the game's history and is the fifteenth Mega Millions prize sold in Texas.
In addition to the Sept. 10 jackpot-winning prize, 175,127 Mega Millions tickets in Texas, including those with the Megaplier add-on feature, won lower-tier prizes ranging from $2 to $40,000.
Officials with the Texas Lottery said the jackpot started at $20 million on June 7 and rolled over 27 times before the winner claimed the ticket.
The claimant received $409 million before taxes, and the retailer, Murphy USA, received a $1 million retail bonus.
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"We absolutely love when Texas Lottery players win big, and it's a tremendous honor to congratulate our state's largest-ever jackpot winner," Ryan Mindell, executive director of the Texas Lottery, said. "This jackpot win shows that any Texas Lottery ticket could lead to an exciting prize, and if you're playing, the next one could be yours."