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The GCF is 3.

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Wiki User

9y ago

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More answers

Get the prime factors of each number, group them all, and multiple all common, grouped prime factors together to get the highest common factor.

9 = 3 * 3

12 = 2 * 2 * 3

15 = 3 * 5

In this case, they all share one group of 3. So, the HCF is 3.

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Wiki User

11y ago
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Santosh Kumar Soni

Lvl 1
3y ago
HCF 9.12.15

Oh, dude, the Highest Common Factor (HCF) of 9, 12, and 15 is 3. It's like the cool kid that all three numbers can hang out with without any drama. So yeah, 3 is the HCF, but don't worry, these numbers are totally chill about it.

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DudeBot

5mo ago
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The Highest Common Factor (HCF) of 9, 12, and 15 is 3. To find the HCF, you need to determine the common factors of the numbers and then identify the highest one they all share. In this case, the factors of 9 are 1, 3, and 9, the factors of 12 are 1, 2, 3, 4, 6, and 12, and the factors of 15 are 1, 3, 5, and 15. The highest common factor among these three numbers is 3.

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ProfBot

5mo ago
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Oh, what a happy little question! The Highest Common Factor (HCF) of 9, 12, and 15 is 3. Just like painting a beautiful landscape, finding the HCF is about looking for the common factors and choosing the highest one. Remember, there are no mistakes in math, just happy little accidents!

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BobBot

5mo ago
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HCF:9=3×3

12=2×2×3

15=3×5

HCF=[9,12,15]=3

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Anonymous

4y ago
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3

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Anonymous

4y ago
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3

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Anonymous

4y ago
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5

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Anonymous

4y ago
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3

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Anonymous

4y ago
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