With no one claiming the big prize, the Powerball drawing on Wednesday - one day after a $1.6 billion Mega Millions drawing - will be $620 million.
Since 2002, Mega Millions jackpots paid millions in prizes around eight times a year, sometimes even more than a dozen times.
The odds of winning the jackpot are about one in 302 million but, with so many tickets being purchased, the likelihood of rollover becomes increasingly slim.
Mega Millions tickets are sold in 44 USA states, the District of Columbia and the Virgin Islands. But when they do, the amount is mind-blowing - as we can see in recent Mega Millions jackpots.
The drawings are held on CW20 around 11 p.m.
Check your tickets. Midlands store sells winning $50,000 Mega Millions ticket
MA residents have the biggest taste for playing the odds, spending nearly $763 per year on lottery tickets, the study found. It will be the largest jackpot in the game's history and the second largest in the U.S. lottery jackpot history.
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Each Powerball ticket is $2.
The numbers drawn Saturday were 62-16-54-57-69 while the Powerball was 23. Again, the computer can do this for you if you don't want to choose your own numbers.
If a player hits all six numbers to win the jackpot, they can opt for an immediate cash payment of £692 million ($90m) or receive the £1.26 billion ($1.6bn) prize over 29 years. There are smaller prizes, from $4 up to $1 million, for matching some, but not all, numbers.
When lottery officials changed the Mega Millions rules in October 2017 to shrink the odds of winning and increase ticket prices to $2 from $1, then-Mega Millions president Debbie Alford said the innovations would deliver "attention-grabbing jackpots" and generate increased revenues.