The January 4 drawing yielded two winning tickets, purchased in the western US states of Idaho and Washington, lottery officials said.
The huge jackpot was one of the biggest in US history.
Lottery officials said before Tuesday night's drawing that the odds of purchasing a winning ticket was about one in 176 million.
The Mega Millions lottery is played in 41 US states and the capital city of Washington.
Mega Millions Split Two Winners
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