AngularJS Factory not found

gistfile1.txt

app.factory('InterviewPageFactory', function($http, URL) {
		var getData = function(pageID) {
			return $http.get(URL + 'interviews/page/' + pageID);
		}

		return {
			getData: getData
		};
	});

	app.controller('interviewPage', ['$http', '$scope', '$log', function($http, $scope, $log) {
		var self = this;
		self.questions = [];
		self.question = {};

		self.fetchQuestions = function() {
			InterviewPageFactory.getData(6).then(function(result) {
				self.questions = result.questions;
			});
		};

		self.fetchQuestions();

		console.log(self.questions);