You need at least two numbers to have a common factor. You could say the GCF of 10 and 10 is 10, or the same for any number. However, that is a trivial statement. Perhaps you are thinking of a Prime number, that is one which has only itself and 1 as factors.
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∙ 2015-11-07 12:38:32The GCF of one number is itself.
The GCF of one number is itself.
The GCF of one number is itself.
The GCF of one number is itself.
The GCF of one number is itself.
The GCF of one number is itself.
The GCF of one number is itself.
The GCF of one number is itself.
The GCF of one number is itself.
The GCF of one number is itself.
The GCF of one number is itself.
The GCF of one number is itself.