There is no such thing as the GCF of one single number.
The 'C' in GCF stands for "Common". "Common" means "same for all".
With only one number, there is no "all".
The GCF of a single number is in the same category as one scissor,
and the sound of one hand clapping.
The greatest common factor of 60 and 120 is 60.
The GCF is 3.
The GCF/HCF of 60 and 350 is 10.
The GCF of 2040 and 60 is 60
Since 15 is a factor of 60, it is automatically the GCF.
The GCF is 12.
The GCF is 4.
The GCF is 12.
The GCF is 4.
The GCF is 1.
The GCF is 60.
The GCF is 60.