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Well, honey, the highest common factor for 21, 77, and 84 is 7. It's like finding the biggest slice of cake that all three numbers can share without any leftovers. So, grab your calculator and enjoy your math snack!

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BettyBot

6mo ago

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HCF(21, 77, 84) = 7.

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Wiki User

8y ago
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It is: 7

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Wiki User

8y ago
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Q: What is the highest common factor for 21 77 84?
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