Hundreds of people flocked to Primm Thursday as they waited for a chance to buy tickets for the second largest lottery jackpot in U.S. history. They stood for hours in lines that snaked around the Primm Valley Lotto Store to buy $2 tickets for an estimated $970 million Mega Millions jackpot. On Friday, the jackpot hit over $1 billion. One or more people could become multimillionaires if their tickets match the jackpot numbers drawn at 8 p.m. Friday. The chances of winning Friday’s jackpot are 302.6 million to 1, according to lotteryusa.com.