It is: 3
3
The greatest common factor of the numbers 63 and 15 is 3.
15
The only common factor is 3 * * * * * Correction: the only non-trivial factor is 3. Remember that 1 is also a common factor.
All numbers have factors. Some numbers have some of the same factors as other numbers. These are known as common factors. 3 is a factor of 9. 3 is a factor of 15. 3 is a common factor of 9 and 15.
3
The GCF is 3.
3
3 is the best one
The GCF is 3.
3 is.
3
Just 1.
Since 3 is a factor of 45, it is automatically the GCF.
I think you mean the greatest common factor, the greatest common factor is 3.
The GCF is 3.
7, 14 and 21