A Mega Millions lottery ticket that contained all the winning numbers — bought along the western edge of the Chicago metro area, in DeKalb County — has made someone in Illinois $344 million richer this week.

It was a lucky night for a Mega Millions player in Illinois who bought the winning ticket, worth an estimated $344 million. This is the first time the Mega Millions jackpot has been won since Jan. 17, when a ticket in Arizona won the $112 million prize. The jackpot will now reset to $20 million ahead of Friday night's drawing.

A lottery player in Illinois won estimated $349 million Mega Millions jackpot on Tuesday. One ticket matched all six balls to win the jackpot which had an estimated cash option of $161.4 million, , according to the Mega Millions website. Originally ...

The most recent big Mega Millions winner was a lucky lottery ticket holder in Illinois last Tuesday, who took home a $344 million jackpot. The winner marks the first time since Jan. 18 that someone has hit the Mega Millions jackpot.

More than a week has passed since a single Mega Millions ticket sold in Illinois hit a staggering $349 million jackpot, yet the winner remains unidentified.

The big winner comes on the heels of major changes set to soon take place for the lottery game, with a "new version" of Mega Millions set to go into effect in April.

The Mega Millions lottery jackpot was an estimated $29 million with a cash option of $13.5 million for Tuesday night's drawing.

One lucky person in Illinois won the Mega Million $344 million jackpot, but big changes are coming to the game. Here's what to know.