well 18: 2 times 3 times 3
and 63: 3 times 3 times 7
and 117:3 times 3 times 13
the number tat ocurs the most is :3 and 3
so u multiply 3 times 3 = 9
so the GCD IS 9!
hope this helps and byee
done by: Paven Samrai
The Greatest Common Divisor (GCD) for 18 63 is 9.
The greatest common divisor of 63 and 81 is nine (9).
The GCF is 9.
The greatest common factor is 9.
The GCF, or greatest common factor, of 18 and 63 would be 9.
The Greatest Common Factor (GCF) of 7 and 63 is 7.Since 7 is a factor of 63, it is automatically the GCF.
The Greatest Common Factor of 21, 63, 84: 21
Greatest common factor for 35 and 63 and 84 is 7.
The greatest common factor of 63, 84, and 105 is 21.
The Greatest Common Factor of 45, 85, 63 and 18 is 1.
3
It is: 3
The GCF is 3.
9
The GCF is 9.
The HCF is: 3
The GCF is 9.
The GCF is 9.
The GCF is 9.
The greatest common factor of 3 and 63 is 3.
The greatest common factor of 63 and 104 is 1.