The numbers drawn on Wednesday night were 3, 57, 64, 68 and 69 with 15 as the Powerball number.
States have different rules, so depending on where you purchased the ticket, you have from 180 days to a year to claim the jackpot.
Details of where the winning Florida ticket was sold were not immediately available.
The jackpot keeps swelling because nobody has won since July 24, when 11 workers in a California office shared $543 million, the largest prize ever won on a single ticket in the game.More news: Chinese city to launch artificial moon in hopes of replacing street lights
Until the drawing Friday evening, based on the last Mega Millions drawing, the numbers will escalate.
Each of the 24 semi-weekly drawings have failed to produce a top victor since July 24, when an 11-member office pool in Santa Clara County, California, hit a $543 million jackpot.
The Kentucky Lottery says the Mega Millions jackpot is closer to $1 billion ahead of Friday's drawing.More news: It’s not my fault if Republicans punished in US mid-term elections
The jackpots for the nation's two largest lottery games continue to grow.
The all-time highest Mega Millions jackpot is now even bigger. Check your state lottery's cutoff time for Mega Millions ticket sales if you want a chance at the jackpot.
Good people of America, the lottery jackpots need to be stopped. You can play Mega Millions in 46 localities: 44 states plus Washington, D.C., and the U.S. Virgin Islands.
The odds of winning the Mega Millions jackpot are one in 302,575,350, but Young said she already had plans for some things she would do if she struck gold.More news: Astros’ starting pitchers set for Games 3, 4 against Red Sox
Believe it or not, this week's combined billion-dollar haul is not the biggest prize in the lottery's history.