The winning $310M Powerball ticket was sold in southwestern Michigan.
The numbers in Wednesday evening's drawing were: 21-39-40-55-59, Powerball: 17, Power Play: 3
Michigan Lottery spokesman Jeff Holyfield says the winning ticket in Wednesday night's drawing was sold at a gas station in Three Rivers.
He says the winner hasn't come forward yet.
The jackpot would be worth $191.4 million after taxes if taken as a lump sum.
The jackpot has been building since one winner took home $110 million on August 1.
The odds of matching all six numbers in the game are 1 in about 175 million.
Powerball is played in 43 states, Washington, D.C., and the U.S. Virgin Islands.
The largest Powerball jackpot ever was $591 million, won May 18, 2013.