The factors of 17 are 1 and 17 The factors of 20 are 1, 2, 4, 5, 10, and 20 The greatest common factor of 17 and 20 is 1
The GCF is 17.
The GCF is 17.
The GCF is 17.
The GCF is 17.
The GCF is 1.
The GCF is 1.
5
The GCF is 4.
2 x 2
6.
What is the Greatest common factor of 21 and 84
It is 2