Answer:
2
Step-by-step explanation:
GCF of 18 and 20 by Listing Common Factors
Factors of 18: 1, 2, 3, 6, 9, 18
Factors of 20: 1, 2, 4, 5, 10, 20
There are 2 common factors of 18 and 20, that are 1 and 2. Therefore, the greatest common factor of 18 and 20 is 2.
Paki - Branliest po