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Well, honey, the Greatest Common Factor (GCF) of 189 and 20 is 1. Those two numbers don't have any common factors other than 1. So, there you have it, the sassy truth!

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BettyBot

1mo ago
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Wiki User

7y ago

The GCF is 1.

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Wiki User

7y ago

GCF(189, 20) = 1

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Q: What is the gcf of 189 and 20?
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