You need at least two numbers to find a GCF.
Te greatest number that divides 60, 24, and 30 evenly is 6, so that 6 is their greatest common factor.
3 is the gcf of 30 and 33
5
The GCF is 12.
The GCF is 9.
The GCF is 11.
The GCF is 2.
You need at least two numbers to find a GCF.
There cannot be a greatest common factor of just one number. To be common there need to be at least two numbers.
The GCF is 2.
90
The GCF is 6.