The factors of 45 are: 1, 3, 5, 9, 15, 45
The factors of 81 are: 1, 3, 9, 27, 81
The common factors are: 1, 3, 9
The GCF is 9.
The GCF is 9.
The GCF is 9.
The GCF is 9.
The GCF is 9.
It is: 9
The GCF is 9.
The GCF is 9.
The greatest common factor of 81 and 45 is 9Factors of 45: 1 3 5 9 15 45Factors of 81: 1 3 9 27 81The GCF of 45 and 81 is 9It is: 9
GCF (45, 81, 90) = 9
The answer is 9.
The answer is 9.