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.
The common factors of 81 and 135 are: 1, 3, 9, and 27
The common factors of 27 and 81 are: 1, 3, 9, and 27
The factors of 30 are: 1, 2, 3, 5, 6, 10, 15, 30 The factors of 81 are: 1, 3, 9, 27, 81 The common factors are: 1, 3
The factors of 64 are all 2s and the factors of 81 are all 3s. The greatest common factor is 1, since they have no factors in common. ■
81 and 200 have no common prime factors.
The common factors of 15 and 81 are 1 and 3
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 common factors of 75 and 375 are 1, 3, 5, 15, 25 and 75.
The only common factor of 296 and 375 is 1.
The factors of 375 are: 1, 3, 5, 15, 25, 75, 125, 375.
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.
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.
The common factors of 72 and 81 are: 1, 3, and 9
34 and 81 share no common factors aside from 1.
81 and 169 share no common factors aside from 1.
The common factors of 81 and 99 are: 1, 3, 9