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What is a common factor of 21 and 49?

Updated: 2/28/2024
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7y ago

Best Answer

A common factor is '7'

3 x 7 = 21

7 x 7 = 49

'7' appears in both multiples.

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lenpollock

Lvl 15
1mo ago
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Wiki User

7y ago

LCM: 147 GCD: 7

The common factors are 1 and 7.

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7y ago

They are 1 and 7

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7y ago

The common factors are 1 and 7.

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