The previous record for the game's top prize was $656 million, split among three winners in 2012, while the largest jackpot in US history was a $1.5 billion Powerball haul in 2016.
But no one picked the six winning Mega Millions numbers correctly, so the jackpot rolled over and soared even higher.
The last time anyone won the Mega Millions jackpot was July 24, when a group from California claimed a $543 million prize. The amount you will win is likely $0, because the odds of winning either jackpot are one in several hundred million.
The Mega Millions jackpot ballooned to a record high: $970 million for Friday night's drawing.
Tuesday's Mega Millions winning numbers were 3, 45, 49, 61, 69 with a Mega Ball of 9 for a jackpot worth $667 million at the time.
"Since these changes, three of the six largest Mega Millions jackpots have been paid out", he says.More news: Border between Jordan and Syria to reopen on Monday
The next drawing will be Friday.
Every lottery ticket buyer believes that, and why not? About half of the jackpot winnings would go to taxes.
He calls these gamblers "infrequent players", and their participation helps boost jackpots to historic levels, he said. The Powerball number was 15.
Mega Millions is in "uncharted territory", Medenica said, and the lotteries' financial models can not predict what will happen. On Wednesday, the jackpot was bumped from $868 million to $900 million.
Lottery sales, defended by state commissions as a way to help fund education and veterans programs, have drawn fire in recent years.