"It was hard to keep such a big secret, but we just weren't ready to tell anyone," she said.
The Pintuffs opted to receive their prize as a lump sum with each receiving a 50 percent share of the prize. Each will receive a one-time payment totaling more than $12.4 million or $8.2 million after taxes.
"I worry about what to do with 500 bucks," Jeff Pintuff said. "I'm so glad we had a plan for the money."
The Pintuffs said their plans are modest.
"My children keep telling me I need a new car," he said. "I only have 163,000 miles on the one I have now - I think I can get it to 200,000."
Christine Pintuff said she was thinking about getting away for a while.
"We haven't been away from home for more than three days since 1996," she said. "We need a vacation."