The potential Powerball jackpot has now climbed to $620 million for Wednesday's drawing.
Their new-found lottery wealth would also put them above Barnes & Noble Inc and Red Robin Gourmet Burgers Inc, both worth under $500 million.
One person who bought a Mega Millions ticket at a store in Oak Forest for Friday's jackpot is now $1 million richer.
So, in one single weekend, more than $1 billion will shoot out across America to its very luckiest citizens. And can you imagine how long it would take you to check the numbers on 302 million tickets? Mega Millions officials say they have sold more than 34.4 million winning tickets for the game's secondary prizes since July.
The Mega Millions jackpot has been growing since the last winners - a small office pool in California - were awarded $543 million. The odds of being struck by lightning in any given year are one in 1.17 million.
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If there is a victor on Tuesday they will be able to opt for an immediate cash payment of $904m (£692m), or receive the $1.6bn over 29 years.
The numbers Friday night were 15, 23, 53, 65, 70 and Mega Ball 7.
No one got all six for the $1 billion jackpot, but a few got five out of six. Because proceeds from the state lottery go toward education, those increased sales mean more revenue for Oklahoma schools, Finks said.
Tickets cost $2 unless you opt for the "Megaplier", which raises the price to $3.
You may have another chance to cash in on a historic payday, but your odds are literally getting slimmer and slimmer each day.