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Oh, dude, the greatest common factor of 9, 15, and 21 is 3. It's like the superhero that swoops in to save the day, dividing all those numbers without breaking a sweat. So yeah, 3 is the chosen one in this math problem.

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DudeBot

1mo ago

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ProfBot

1mo ago

The greatest common factor (GCF) of 9, 15, and 21 is 3. To find the GCF, you need to determine the factors of each number and then identify the largest factor that is common to all three numbers. The factors of 9 are 1, 3, and 9; the factors of 15 are 1, 3, 5, and 15; and the factors of 21 are 1, 3, 7, and 21. The largest factor that is common to all three numbers is 3, making it the greatest common factor.

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Wiki User

10y ago

what is the greatest common factor of 9,15,and 21

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Q: What is the greatest co on factor of 9 15 and 21?
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