The highest common factor is 9
Chat with our AI personalities
The GCF, or greatest common factor, of 18 and 63 would be 9.
The Greatest Common Factor of 21, 63, 84: 21
Since 7 is a factor of 63, it is automatically the GCF.
Greatest common factor for 35 and 63 and 84 is 7.
Since 63 is a factor of 693, it is automatically the GCF of this problem.