What are the greatest common factors between 18 and 21?

asked May 2, 2021 37.0k views

3 votes

What are the greatest common factors between 18
and 21?

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2 votes

Answer:

1, 2, 3, 6, 9, 18. Factors of 21: 1, 3, 7. The highest number that both sets contain is 3, so the GCF will be 3.

Explanation:

Rui Barradas answered May 8, 2021

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