“With these two contests, I have gained at least 18 additional delegates on my quest for the Republican Party presidential nomination, Romney said. “It’s time for Republicans to join together and focus on our central challenge, which is defeating Barack ObamaBarack Obama21 state AGs denounce DeVos for ending student loan reform Obama to net 0K for Wall Street speech: report Trump’s wall jams GOP in shutdown talks MORE at the polls this coming November.

Romney’s delegate count now stands at 498, according to a projection from CNN. Rick Santorum trails with 239 delegates, with Newt Gingrich in third at 139 and Ron Paul with 69.

With all the votes counted, Romney won Hawaii with 45 percent of the vote. Santorum won 25 percent, Paul won 18 percent and Gingrich won 11 percent. American Samoa’s delegates were assigned via caucus, where 70 Republicans agreed to commit all nine delegates to the GOP front-runner.