The ticket from the April 14 drawing was sold at the Weis Markets located 25 West Germantown Pike in Norristown.
The ticket matched all six winning numbers, 11-21-26-35-39-41, to win a jackpot of $5,021,688.50, less 25 percent federal withholding.
Weis Markets will receive a $10,000 bonus for selling the winning ticket.
This is the fourth-largest Match 6 jackpot on record. The largest was a more than $7.3 million prize sold in Cambria County back in October of 2013.
The jackpot has not yet been claimed, so make sure to check your tickets! Match 6 winners have one year from the drawing date to claim prizes.