Lamontagne has the edge in the Republican primary, as 52 percent of Republicans have a favorable opinion of him. Smith has yet to establish a profile among the state's Republicans: 73 percent of them do not know enough about him to form an opinion. The poll was conducted Aug. 1-12, surveying 581 adults. The margin of error for the full poll is plus-or-minus 4.1 percentage points. The head-to-head matchups are from interviews with 555 likely voters; those results carry a margin of error of plus-or-minus 4.2 points.