Greatest common factor (GCF)

1. 9,15 20.
GCF:

2. 26 and 30
GCF:

3. 64 and 18
GCF:

4. 16,17 and 8
GCF:

5. 30 ,20 and 18
GCF:


please answer dis report if nonsense answer brainlist ko pag tama​