Best Answer

Since 40 is a factor of 120, all the factors of 40 are common to 120. There can only be one greatest.

1, 2, 4, 5, 8, 10, 20, 40

The GCF is 40.

Q: What is the first 3 greatest common factor of 40 and 120?

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greatest common factor of 120 and 182 is 2.

120

The GCF is 15.

12

The GCF is 15.

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