The GCF is 9.
Since 15 is a factor of 45, it is automatically the GCF.
GCF (45, 81, 90) = 9
The GCF is 9.
1, 3, 5, 9, 15, 45 1, 3, 9, 27, 81 1, 3, 9, 11, 33, 99
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
Since 15 is a factor of 45, it is automatically the GCF.
GCF (45, 81, 90) = 9
The answer is 9.
9