Answer:
GCF is 1
Step-by-step explanation:
The factors of 11 are: 1, 11
The factors of 18 are: 1, 2, 3, 6, 9, 18
Then the greatest common factor is 1
It is 1
11 = 111
18 = 2^1 × 3^2
List of positive integer factors of 11 that divides 11 without a remainder.
1
