The GCF is 9.
The GCF is 9.
The GCF is 3.
The GCF is 9.
The GCF is 9.
The GCF is 9.
Since 9 is a factor of 36, it is automatically the GCF.
You need at least two numbers. 18 and 36 among others.
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