27
The Greatest Common Factor (GCF) is: 1
The Greatest Common Factor (GCF) is: 6
the greatest common factor of 55 and 75 is 5
The Greatest Common Factor of 14 and 21 is 7.
the greatest common factor of 16 and 54 is 2
The GCF is 16.
The smallest "non common" factors of 180 and 600 are: 7 - is not a factor of either 8 - is only a factor of 600 9 - is only a factor of 180
The GCF is 50.
The GCF is 2.
The HCF is: 12
The GCF is 2.
Umm, 42. Eighty-four is twice forty-two.
The GCF is 10.
The GCF is 6.
The greatest factor of 89 is 89.
Since 20 is a factor of 100, it is automatically the GCF of the two.
The GCF is 2.