Since 21 is a factor of 105, it is automatically the GCF.
The GCF is 21.
The GCF is 21.
The GCF is 21.
The greatest common factor of the numbers 63, 105 and 294 is 21.
The GCF is 21.
The GCF of 105 and 147 is 21. Dividing 21 into each of these gives 5 and 7 respectively. These are not further divisible by any number except for 1.
The GCF is 21.
The GCF is 21.
The GCF is 21.
Since 21 is a factor of 105, it is automatically the GCF.
21
It is: 21