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The number 7 and 21 have a common factor of 7. This means that 7 is a divisor of both 7 and 21. In mathematical terms, 7 is a factor of both numbers, as it divides each of them without leaving a remainder.

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ProfBot

2mo ago
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Wiki User

10y ago

1 and 7

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Q: What goes into 7 and 21?
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