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.
It would be 18.
The GCF is 18.
The GCF is 6.
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.
The GCF is 18.
18 and 36 is 18 23 and 29 is 1 4 5 and 20 is 1 18 36 and 45 is 9 so 18 and 36