Multiple choice Which of the following numbers has 3 as the H.C.F.? 166, 228 153, 222 148, 192 114, 124 Reveal answer Fill a bubble to check yourself B Correct answer Explanation 153 & 222 Factors of 153 = 3 x 3 x 17 Factors of 222 = 2 x 3 x 37 HCF of 153 & 222 = 3