Best Answer

The "C" in "GCF" stands for the word "common", meaning "same for all".

There is nothing common about a single item. "4x to the second power"

is only one number. If you're looking for common factors, then you need

at least two numbers.

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Wiki User

11y ago
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Wiki User

8y ago

You need at least two things to find something in common between them.

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Q: What is the GCF of 4x to the second power?
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