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What is the GCF of 36 24 18?

Updated: 9/22/2023
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8y ago

Best Answer

Find the factors of all three numbers and then find the largest number that is in each list:

i.e. the factors of 18 are 1, 2, 3, 6, 9, 18.

So for example, to find the greatest common factor of 21, 28 and 42, find the factors of each:

Factors of 21 are 1,3,7,21

Factors of 28 are 1,2,4,7,14,28

Factors of 42 are 1,2,3,6,7,14,21,42

The highest number that is in all three lists is 7. Therefore, 7 is the greatest common factor.

Note: A factor is a number that divides evenly into the number. So, 2 divides evenly into 8 so 2 is a factor of 8. 3 divides evenly into 9 so 3 is a factor of 9, etc.

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11y ago
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8y ago

The GCF is 6.

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11y ago

6 are.

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Q: What is the GCF of 36 24 18?
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