Answer: 1 is your answer!
Explanation:
GCF = 1
for the values 14, 15, 21
Solution by Factorization:
The factors of 14 are: 1, 2, 7, 14
The factors of 15 are: 1, 3, 5, 15
The factors of 21 are: 1, 3, 7, 21
Then the greatest common factor is 1.
Answer:
It should be 1
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