The greatest common factor of 18 and 38 is 2.
The greatest common factor of 9, 18 and 38 is 1.
The GCF is 2.
The GCF is 38.
The GCF of 38 and 76 is 38. Since 38 is a factor of 76, it is automatically the GCF.
The GCF is 38.
The GCF is 2.
The GCF is 1.
The GCF is 2.
The GCF is 1.
The GCF is 1.
The GCF is 1.