No. A factor is a number that divides into it evenly. No factor of 18 can be bigger than 18, so there can be no COMMON factor between 18 and 36 bigger than 18.
The GCF here is actually 18.■
The GCF of 18 and 36 is 18.
The GCF is 18.
The GCF is 18.
The GCF is 18.
It would be 18.
The GCF is 6.
The GCF is 18.
The GCF is 18.
The GCF is 18.
The GCF is 18.
The GCF is 2.
The GCF is 18.