9
The common factors of 45 and 63 are 1, 3, and 9.
The greatest common factor of 45 and 63 is 9.
The GCF is 9.
The GCF is 3.
The numbers that go into both 45 and 63 are their common factors. The factors of 45 are 1, 3, 5, 9, 15, and 45, while the factors of 63 are 1, 3, 7, 9, 21, and 63. The common factors are 1, 3, and 9. Thus, the greatest common factor is 9.
The factors of 45 are: 1, 3, 5, 9, 15, 45 The factors of 63 are: 1, 3, 7, 9, 21, 63
1, 3 and 9
1, 3 and 9
The highest common factor is 9
The factors of 45 are: 1, 3, 5, 9, 15, 45The factors of 63 are: 1, 3, 7, 9, 21, 63The common factors are: 1, 3, 9
1, 3 and 9
1, 3 and 9