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The GCF of 18 and 30 is 6.

The factors of 18 are 1, 2, 3, 6, 9, and 18

The factors of 30 are 1, 2, 3, 5, 6, 10, 15, and 30

So, the greatest common factor of the numbers 18 and 30 is 6.
The GCF is 6.

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6y ago
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11y ago

18 = 2 x 3 x 3

30 = 2 x 3 x 5

GCF = 2 x 3 = 6

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14y ago

GFC of 30 and 18 is 6.

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8y ago

GCF(18, 30) = 6.

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11y ago

It is 6

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14y ago

6

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Q: What is the greatest common factor of 18 and 30?
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