# What is the greatest common factor for 12 and 15?

If the remainder is zero then the smaller number is the GCF.

Otherwise repeat with the smaller number and the remainder.

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The greatest common factor (GCF) for 12 and 15 is 3.

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When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

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