Answer:
3
Explanation:
We factor each of these (find prime factorization ) and the largest factor is 3
GCF = 3
The factors of 6 are: 1, 2, 3, 6
The factors of 27 are: 1, 3, 9, 27
The factors of 30 are: 1, 2, 3, 5, 6, 10, 15, 30
Then the greatest common factor is 3.
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