1, 3, 7, 9, 21, 63.
63 and 84's highest common factor is 21.
The GCF is 9.
Yes, 21 is a factor of 63. 63 = 3x21
No; 3 is a factor of 63.
No, 9 is a factor of 63.
63 has a square factor, but no equal ones.
63 is.
Yes, 7 is a factor of 63. The factors of 63 are 1, 3, 7, 9, 21, and 63.
The greatest common factor is 63
No, 6 is not a factor of 63 because it does not go in evenly.
9 is a square number and is a factor of 63
The greatest common factor of 630 , 84 = 42