9
gcf(81, 36) = 9 gcf(27, 54) = 27 gcf(81, 36, 27, 54) = 9
It is 9
The GCF is 27.
The GCF is 27.
The GCF is 9.
The GCF is 9.
The GCF is 1.
The GCF is 18.
The Greatest Common Factor (GCF) of 27, 81, and 54 is 27.
The GCF of 27, 54, and 81 is 27. Since 27 is a factor of 54 and 81, it's automatically the GCF.
The greatest common factor of 36, 81 and 18 is 9
The GCF is 18.