A Florida woman has claimed a $590 million jackpot , state lottery officials announced at a press conference Wednesday.

Gloria C. Mackenzie, 84, bought the winning ticket for the May 18 drawing, which was the largest jackpot ever in the multi-state lottery's history . Mackenzie did not appear at the news conference.

Florida ABC affiliate WFTS reported that a woman claiming to have won the multimillion dollar jackpot reported to the state's lottery headquarters around noon on Wednesday.