According to information posted on the Georgia Lottery Web site, the winning Georgia ticket was bought at a Gateway Newstands convenience store on Lenox Road in Atlanta.
The $636 million jackpot was the second-largest lottery prize in U.S. history.
The winning California ticket was sold in San Jose, Calif.
The winning numbers were: 8, 14, 17, 20, 39; Mega Ball: 7. The jackpot resets to $15 million for the next drawing, which is on Friday night.