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What's the greatest common factor of 21 and 33??
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What's the greatest common factor of 21 and 33??

User Kirk
by
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2 Answers

5 votes
21 33
1 * 21 1 * 33
3 * 7 3 * 11

The Greatest Common Factor is 3.
User Sanjay Joshi
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7.6k points
5 votes
3 because 3*7 equals 21 and 3*11 equals 33
User Andrey Deineko
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