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The systematic way to get the answer is: 90 = 2*3*3*5 210 = 2*3*5*7 So gcf is 2*3*5 = 30

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15y ago

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The GCF is 30.
The GCF is 30.

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Wiki User

7y ago
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The GCF is 30.

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Wiki User

9y ago
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GCF(210, 90) = 30.

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7y ago
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Q: What is the greatest common factor of 90 and 210?
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