The GCF is 3.
The greatest common factor (GCF) for twenty-one and seventy-two is three.
21
The GCF is 1.
21 or "Twenty-One"
The factors of six are one, two, three, and six. The factors of twenty six are one, two, thirteen, and twenty six. Two is the only factor of six that is also a factor of twenty six besides one. Therefore, two is the greatest common factor of six and twenty six.
Since 7 is a factor of 21, it is automatically the GCF.
The least common factor is always one (1), regardless of what the greatest common factor is.
The greatest common factor of 27 and 35 is 1
254 cannot have a greatest common factor. To have a greatest common factor, there must be more than one number involved
GCF of 120, 104 and 112 is 4
The greatest common factor of 25 and 34 is one.
One is the greatest common factor of 43 and 40.