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The expression 21m-49n factored using the GCF is
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The expression 21m-49n factored using the GCF is

User Fareya
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I don't know if this is correct or not but I don't think it can be factored any further. If it can, it would probably be something related to 7. Sorry if I didn't help

User Troyz
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The GCF is the greatest common factors of the numbers available.

First, We write the factors of 21 m and 49n,
21m = 3*7*m
And ,
49n = 7*7*n
Now the common factors of 21m and 49n are: 7.
So, the greatest common factor will be 7
User Personjerry
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