Multiple choice What is the fourth multiple of the greatest common factor of 84 and 56? 96 102 108 112 Reveal answer Fill a bubble to check yourself D Correct answer Explanation Factors of 84 = 1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84 Factors of 56 = 1, 2, 4, 7, 8, 14, 28, 56 Greatest common factor = 28 28 × 4 = 112