The GCF is 1.
The Greatest Common Factor of 4, 7, 20: 1
The only common factor of 4 and 7 is 1.
The GCF is 7.
the greatest common factor is 7
The only factor common to 7 and 4 is 1 because 7 is prime.
As a common factor, yes.
No, they have the common factor 7.No, they have the common factor 7.No, they have the common factor 7.No, they have the common factor 7.
1 is the least common factor of the number 2, number 4 and number 7. 28 is the least common multiple of the number 2, number 4 and 7.
The GCF is 2.
1
Just 1.
It is: 1