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Anonymous
The greatest common factor of 18 21 and 42 is 3.
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Greatest common factor of 12 18 and 42 is 6.
The Greatest Common Factor (GCF) is: 6
The GCF is 6.
The GCF is 3.
The GCF of 42 and 18 is 6.
It is: 6
6 is.
6
If you mean 18, 42 and 36 then the GCF is 6
The greatest common factor of 39, 42, and 72 is 3
3 are.