The ticket's numbers matched all six numbers drawn (5-28-62-65-70 and the Megaball 5), however, the owner still hasn't claimed the prize three weeks later.
The single winning ticket was purchased at the KC Mart in Simpsonville, South Carolina, according to state lottery officials, but who actually bought the ticket remains a mystery.
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The victor has 180 days since the day the ticket was purchased to come forward to claim the prize. Officials say the winning ticket was sold in SC.
"We have not heard that the victor in SC has come forward", Elkin said.
If the victor doesn't claim the money, it could go back into the game's prize pool or be given to South Carolina's development programs and plans funded by Mega Millions' profits.
Shortly following the drawing, they urged the potential victor to sign the ticket, put it in a safe location and seek council from a financial planner or lawyer. The annuity, however, will get them the entire $1.537 billion jackpot in smaller payments over the next 30 years, with each being 5 percent larger than the last. But the ticket owner has still not come forward to claim the prize some three weeks later.
"Take a deep breath and enjoy the moment!" the South Carolina Education Lottery tweeted at the time.