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.
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.
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.
The GCF is 2.
1
Just 1.
It is: 1