According to the lottery, the prize is the third-largest in US history.
The winners, who have spent the previous few weeks working on the claim process with seasoned legal and financial consultants,
expressed a desire to maintain their anonymity, according to the Illinois Lottery.
According to the press announcement, they have chosen to accept the $780.5 million lump sum payment.
"In the more than five years that I've worked with the Illinois Lottery, this is by far the biggest prize I've ever had to handle.
There was a lot of enthusiasm there when we met with the winners' attorneys.
Luis Rodriguez, the manager of claims at the Illinois Lottery,
who assisted the prize claim procedure with the winners and their legal counsel.