7
The GCF is 7.
The highest common factor of 9 and 14 is 1. (They are relatively prime.)
Highest common factor of 273 and 315 is 21.
The highest common factor is 3.
The Greatest Common Factor of 14 and 21 is 7.
The highest common factor of 21 and 24 is 3.
The highest common factor of all four numbers is 7
The GCF is 7.
The Greatest Common Factor of 21, 24, 14: 1
The Greatest Common Factor of 81, 21, and 14 is 1.
The highest common factor is 21