Two Oregon couples came forward Tuesday to claim the second-biggest jackpot in U.S. lottery history: $340 million.

Lottery officials confirmed that Steve West, his wife, Carolyn, and his in-laws, Bob and Frances Chaney, held the winning ticket in Oct. 19 Powerball drawing. The two couples had gone in together on $40 worth of tickets.

They arrived at lottery headquarters to have the ticket verified and decide whether they wanted the money in an after-tax lump sum of $110 million, or 30 annual installments of about $7.6 mie West went on television to claim he and his relatives had the winning ticket. But it was up to the lottery to verify the claim.

The biggest lottery jackpot in U.S. history was $363 million, won by two ticket holders in Illinois and Michigan in 2000.

Powerball is played in 27 states.