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There cannot be a greatest common factor (GCF) of just one number. To be common there need to be at least two numbers. If you find all the factors of two or more numbers, and you find some factors are the same ("common"), then the largest of those common factors is the Greatest Common Factor.

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13y ago
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8y ago

The factors of 22 are:

1, 2, 11, 22

The factors of 33 are:

1, 3, 11, 33

The common factors are:

1, 11

The Greatest Common Factor:

GCF = 11

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14y ago

its 11 because 22 and 33 can go into 11 equally

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Q: What are the common factors and greatest common factor of 22 and 33?
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