Three pairs of numbers are shown. Pair A 56, 98 Pair B 54, 66 Pair C 63, 72 Select all the correct statements. Pair A and Pair C have the same greatest common factor. ® All three pairs have greatest common factors that are not prime numbers. The greatest common factor of Pair B is 9. The least common multiple of the greatest common factors of Pair B and Pair C is 18. © All of the greatest common factors are multiples of 3.