0
Anonymous
The GCF is 7.
Wiki User
3
It is 1
The GCF of 21, 35 is 7.
The GCF is 9.
The GCF of 21 and 42 is 21. The GCF of 17 and 27 is 1.
The GCF is 52.
The GCF is 13.
GCF of 21 and 42: 21GCF of 16 and 25: 1
The GCF is 1.
The GCF is 3.