The Rockford woman played the April 3 Lotto Million 1 drawing.
She matched all the following six numbers: 1-11-16-21-26-44.
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"I've never been a big lottery player- in fact, I've never won anything big in my life- until now!" the winner who wished to remain anonymous said.
The lucky winner said she sent a copy of the ticket to her dad to double check that it was real.
She hopes to take her family on a vacation with her prize money.
"My niece is especially fascinated by the history of Egypt, so I'm hoping to surprise everyone with a special trip there," she said.
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