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What are the greatest common factors between 18 and 21?
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3 votes
What are the greatest common factors between 18
and 21?

User Cadence
by
6.5k points

1 Answer

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:

User Rui Barradas
by
7.3k points
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