The GCF is 3.
The Greatest Common Factor of 21, 30, 44: 1
The GCF is 7.
The GCF is 7.
3
3
It is 1
The GCF of 21, 35 is 7.
The GCF is 2.
The GCF is 2.
The GCF of 11 and 44 is 11. The GCF of 20 and 30 is 10. The GCF of 5 and 11 is 1. The GCF of all of them is 1.
The GCF is 9.