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What is the greatest common factor of 21, 27, and 39?

What is the greatest common factor of 21, 27, and 39?
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What is the greatest common factor of 21, 27, and 39?

asked
User Ngure Nyaga
by
8.1k points

2 Answers

3 votes
21 = 3 x 7
27 = 3³
39 = 3 x 13

Greatest Common Factor = 3

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Answer: 3
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answered
User IsJustMe
by
8.0k points
5 votes
21 = 1*21, 3*7
27 = 1*27, 3*9
39 = 1*39, 3*13,

From here can you see any common factors?

answered
User Evilive
by
8.8k points
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