Retired couple claim Mega Millions share Mega Millions Winners Merle and Patricia Butler Giggled for Four Hours (ABC News screenshot) In t...

Retired couple claim Mega Millions share

Mega Millions Winners Merle and Patricia Butler Giggled for Four Hours (ABC News screenshot)

In this photo provided by the Maryland State Lottery Agency, a lottery official, left, and the three anonymous winners of the Maryland portion of the Mega Millions lottery pose for a photo in Baltimore, Monday, April 9, 2012. Maryland Lottery officials say three public school employees are sharing the spoils of the record Mega Millions jackpot. The winning Maryland ticket is one of three nationally that split the $656 million jackpot. (AP Photo/Maryland State Lottery Agency)

Dinkensh Dubiyo, center, sells lottery tickets at a Baltimore 7-Eleven store where one of the winning lottery tickets for the record-breaking $640 million Mega Millions jackpot was sold Saturday, March 31, 2012. (AP Photo/Steve Ruark)

Mirlande Wilson (R) of Haiti arrives with her attorney Edward Smith Jr. to a news conference where Wilson claimed to have the winning ticket for the Mega Millions jackpot lottery in Baltimore, Maryland, April 4, 2012. REUTERS/Jose Luis Magana

Dennis Wilson, the Kansas Lottery's executive director, answers questions from reporters about the winning Mega Millions ticket sold in northeast Kansas, Saturday, March 31, 2012, in Topeka, Kan. Winning tickets were sold in Kansas, Illinois and Maryland for a share of an estimated $640 million jackpot. (AP Photo/John Hanna)

A Mega Millions lottery contestant buys his ticket for Friday's $500-million game at a corner newsstand in New York, Thursday, March 29, 2012. Forget setting up a charity or establishing a trust, the winner of the $500 million Mega Millions jackpot could save teachers' jobs or help pay for Medicaid-funded doctor appointments in their home state just by paying taxes. (AP Photo/Richard Drew)

A retired southern Illinois couple has claimed the third and final share of last month's record $656 million Mega Millions jackpot.

Illinois Lottery officials introduced Merle and Patricia Butler on Apr. 18 at a ceremony in their hometown of Red Bud, where they bought the winning ticket for the Mar. 30 drawing.