The common factors of 81 and 99 are:
1, 3, 9
Factors of 81 are 1, 3, 9, 27, and 81 Factors of 99 are 1, 3, 9, 11, 33, and 99 The GCF of 81 and 99 is 9
The factors of 81 are 1, 3, 9, 27, and 81. The factors of 99 are 1, 3, 9, 11, 33, and 99.
The greatest common factor of 63, 81, and 99 is 9.The prime factorization of 63 is 7*9.The prime factorization of 81 is 9*9.The prime factorization of 99 is 11*9.Thus, the greatest of the common factors of 9.
The common factors of 15 and 81 are 1 and 3
81 and 200 have no common prime factors.
The factors of 81 are 1, 3, 9, 27 and 81. For them to be common, they need to be compared to another set of factors.
The greatest common factor is 9
The common factors of 72 and 81 are: 1, 3, and 9
34 and 81 share no common factors aside from 1.
The common factors of 36 and 81 are: 1, 3, and 9
81 and 169 share no common factors aside from 1.
The factors of 81 are 1, 3, 9, 27, 81. For them to be common, they need to be compared to another set of factors.