The GCF is 2.
20: 1, 2, 4, 5, 10, 20 36: 1, 2, 3, 4, 6, 9, 18, 36 The GCF is 4.
The GCF of 18 and 36 is 18.
The GCF is 18.
The GCF is 18.
The GCF is 18.
It would be 18.
The GCF is 6.
The GCF is 18.
The GCF is 18.
Factors of 10-1,2,5,10 18-1,2,3,6,9,18 36-1,2,3,4,6,9,12,36 the GCF is 2
The GCF is 18.
The GCF is 18.