BOSTON - A Dorchester woman took her friend's advice to buy a Powerball ticket and ended up winning big.

Tiffany Brown won a $1 million prize after matching the first five numbers on a Quick Pic ticket for Monday's game. Nobody won the $638 million jackpot, which has risen to $672 million for Wednesday's drawing.

The winning numbers were 2-21-26-40-42 with a Powerball of 9.

She bought the ticket at Supreme Liquors on Geneva Avenue in Dorchester.

"She said that a friend had encouraged her to play because of the large jackpot," the Massachusetts State Lottery said in a statement.

The cash option for Wednesday's jackpot is an estimated $320 million. It would be the 10th-largest jackpot in Powerball history.