The biggest Mega Millions jackpot won in that time was a $393 million jackpot, won in August 2017.
That means it is more likely for the grand total to roll into the next drawing - increasing jackpots.
Mega Millions, with an estimated jackpot of $361 million, will have its next drawing Tuesday at 11 p.m. ET.
If you choose the cash option, that's $215 million.
The odds of hitting the Powerball jackpot with a $2 ticket are 292 million to 1.More news: Did you spot Katrina Kaif in Shah Rukh Khan's 'Zero' title announcement?
But that didn't stop people from buying tickets to both games in recent days.
"I usually don't play unless the jackpots get to six figures", he said. The odds of picking the correct numbers on five white balls and one yellow ball in the Mega Millions game are one in 259 million. The largest Powerball jackpot on record was $1.586 billion, which was won last January. It was sold in MA.
The chance of winning either game is low, and the chance of winning both is extremely low - 1 in 88 quadrillion. Multipliers are available in all states offering the games except California, which bans the type of fixed prize payouts awarded by multipliers.
The drawing is at 10 p.m. today.