Factors of 1: 1
Factors of 21: 1 3 7 21
Common factors: 1
Greatest common factor: 1 (There's only one!)
The GCF is 1 which means that they are relatively prime. (In fact, 1 is relatively prime to any number!)
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The GCF is 1.The GCF of 14, 21 and 24 is 1.
The GCF is 1.
The GCF is 1.
The GCF is 1.
The GCF is 1.
The GCF is 1.
The GCF is 1.
The GCF is 1.
The GCF is 1.
gcf of 11 and 21 is 1.
The GCF is 1.
The GCF is 1.