The greatest common factor of 45 and 63 is 9.
The greatest common factor of 63, 28 and 42 is: 7
63 is the HCF
The greatest common factor is 21.
3
It is 3
1
The common factors are: 1, 3 The Greatest Common Factor (GCF) is: 3
The greatest common factor is 9
Factors of 15 are 1, 3, 5, and 15. Factors of 63 are 1, 3, 7, 9, 21, and 63. The greatest common factor of 15 and 63 is 3.
Factors of 14: 1, 2, 7, 14 Factors of 63: 1, 3, 7, 9, 21, 63 Greatest common factor: 7