Answer:
GCF is less than 3:
- 12 and 13
GCF is equal to 3:
- 6 and 27
- 12 and 21
- 3 and 6
GCF is greater than 3:
- 4 and 12
- 6 and 18
Step-by-step explanation:
6 and 27 GCF: 3
12 and 13 GCF: 1
4 and 12 GCF: 4
3 and 6 GCF: 3
12 and 21 GCF: 3
6 and 18 GCF: 6