The GCF is 9.
The GCF is 9.
The GCF is 3.
The GCF is 9.
The GCF is 9.
The GCF is 9.
You need at least two numbers. 18 and 36 among others.
Since 9 is a factor of 36, it is automatically the GCF.
The Greatest Common Factor (GCF) of 81, 36, and 9 is 9.
The GCF is 9.
The greatest common factor of 36, 81 and 18 is 9
It is: 9