The GCF of 36, 45, and 72 is 9.
The GCF is 9.
The GCF of 72 and 36 is equal to 36.
The GCF is 36.
The GCF is 12.
The GCF is 6.
The GCF is 18.
The GCF is 36.
The GCF of 72 and 108 is 36.The gcf of 108 and 72 is 36
Since 36 is a factor of 72, it is automatically the GCF.
The GCF is 9.
The mistake is that there is a greater common factor than 18. It's 36. 36 divides 36 evenly. 36 divides 72 evenly.