What is the greatest common factor of 63 81 and 18?

Answer 1

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

Answer 2

The Greatest Common Divisor (GCD) for 18 63 is 9.

Answer 3

The greatest common divisor of 63 and 81 is nine (9).

Answer 4

The GCF is 9.

Answer 5

The greatest common factor is 9.