Because then, two Powerball jackpots have broken that record, with a $1,586.4 billion prize awarded on January 13, 2016, and a $758.7 million jackpot awarded on August 23, 2017. Mega Millions presently holds the records for the third- and fourth-largest U.S. jackpots. Each and every jackpot begins at a worth determined by the ticket sales and inter