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What is the greatest common factor of 21, 15, and 18?

What is the greatest common factor of 21, 15, and 18?
asked 165k views
8 votes
What is the greatest common factor of 21, 15, and 18?

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User Ishtiaque
by
7.5k points

1 Answer

13 votes

Answer:

3

Explanation:

21÷3=7

15÷3=5

18÷3=6

7 5 and 6 do not have a gcf except for 1.

answered
User Weslee
by
8.4k points
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