The highest common factor of 21 and 24 is 3.
the greatest common factor for 21 and 24 is 3.
The Greatest Common Factor of 21, 24, 14: 1
The greatest commonfactor(gcf) of 24 and 21 is 3
The greatest factor common to both 21 and 24 is 3.
21= 1,3,7 56= 1,2,2,2,7 24= 1,2,2,2,3
The GCF of 21, 24, and 36 is 3.
The GCF is 3.
The only commom factor of 21 and 24 (apart from 1 which is a common factor of any set of numbers) is 3.
3
The GCF is 3.
The GCF is: 3