Single winning $421 million Powerball ticket sold in Tennessee

LAFAYETTE, Tenn. (CNN) A Powerball lottery player in Tennessee just got a whole lot richer.

A single ticket matched all six Powerball numbers drawn Saturday night. The ticket, worth nearly $421 million, was sold in Lafayette.

The winner has not come forward yet.

According to lottery rules, he or she has 180 days to claim the prize. In the meantime, lottery officials are advising the winner to sign the back of the ticket and to keep it in a secure location.

The winning numbers are: 17, 19, 21, 37, 44 and the Powerball is 16.