A winning jackpot ticket worth an estimated $666 million (USD $515m) was sold in the US, Mega Millions announced in a statement following Friday's drawing.

The winning numbers were 6-9-17-18-48, with 8 as the Mega Ball.

The jackpot won in Pennsylvania is the highest amount won in the state since it became a Mega Millions participant in 2010.

The amount was the ninth-largest in Mega Millions history and the largest the game has ever awarded in the month of May, according to the statement.

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In January, a winning ticket worth more than $1 billion sold in Michigan.

Across the US, 53 tickets matched four numbers plus the Mega Ball to each win at least $10,000, Mega Millions said.