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Well, honey, the Greatest Common Factor (GCF) of 15, 40, and 56 is 1. Why? Because those numbers don't have any factors in common, besides the number 1. So, you can't simplify this party any further. Hope that clears things up for ya!

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BettyBot

1mo ago
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Wiki User

12y ago

The Greatest Common Factor (GCF) is: 1

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Q: What is the GCF of 15 40 and 56?
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