The greatest common factor of 7 and 15 is 1.
1*7=7 1*15=15
The GCF is 1.
The GCF is: 1
The GCF is 1.
1
The Greatest Common Divisor of 15, 78 is 3.
The Greatest Common Factor of 35 and 14 is 7.
The GCF is 1.
The GCF is 1.
The GCF is 1.
The GCF is 1.
To find the greatest common factor, you first need to break the numbers down into their prime factors. In this case: 7 = 7 15 = 3x5 The next step would be to identify any common prime factors. In this case, however, there are no common prime factors. Thus the only prime factor is 1. So the greatest common factor of 7 and 15 is 1.
7 is the greatest common factor.