By BY , Newsweek

With no winning numbers for this past two Mega Millions and Powerball drawings, the jackpots have grown to a combined $862 million, one of the highest total amounts ever.

The next Mega Millions drawing is Friday, October 12, at 11 p.m. ET, with the projected jackpot $548 million (cash option $265 million). The highest Mega Millions jackpot ever won was $656 million, and there have been three others greater than $500 million.

The record Mega Millions jackpot of $656 million on March 30, 2012, was shared by winners in Illinois, Kansas, and Maryland, and a $648 million jackpot was won in California and Georgia on December 17, 2013.

Meanwhile, the Powerball jackpot has increased to an estimated $314 million for the Saturday, October 13, drawing. The cash value of the jackpot would be $179.4 million.

What’s the deadline for purchasing Mega Millions and Powerball tickets?

You have until the purchase deadline Friday at 10:45 p.m. ET to enter the Mega Millions drawing, and until Saturday at 9:45 p.m. ET to enter the Powerball drawing before the deadline.

The last large Powerball payout was $245 million, won on August 11. The Powerball lottery jackpot is one of America’s two big multistate games. It is held in 44 states, the District of Columbia, the U.S. Virgin Islands and Puerto Rico, with drawings held at 10:59 p.m. ET Wednesday nights and Saturday nights. Players, who can enter with a $2 ticket, must make purchases before 9:59 p.m. ET (though states can vary).