Factors of 36 between 2 and 12 We type in factors of 36 into our search engine and we get: {1, 2, 3, 4, 6, 9, 12, 18, 36} The problem asks for factors of 36 between 2 and 12: Between does not mean inclusive, so we have anything greater than 2 and less than 12: {3, 4, 6, 9}