The GCF is 9.
The greatest common factor of 36, 81 and 18 is 9
The GCF is 1.
The GCF is 9.
The GCF is 9.
gcf(81, 36) = 9 gcf(27, 54) = 27 gcf(81, 36, 27, 54) = 9
You need at least two numbers. 18 and 36 among others.
The GCF of 18 and 36 is 18.
The greatest common factor (GCF) of 36 81 and 144 is 9.
The GCF is 18.
The GCF is 18.
The GCF is 9.
The GCF is 18.