New reports show that the odds of winning the top prize — anywhere from $2 million to $600 million — will jump from 1 in 175,223,510 to around 1 in 292,201,338. New reports show that the odds of winning the top prize — anywhere from $2 million to $600 million — will jump from 1 in 175,223,510 to around 1 in 292,201,338.