The greatest common factor (GCF) is often also called the greatest common divisor (GCD) or highest common factor (HCF). Keep in mind that these different terms all refer to the same thing: the largest integer which evenly divides two or more numbers.
Since 161 is a single number, you could say that it shares all of its factors with itself. So the greatest factor of 161 is 161
7 is the highest common factor of 21, 77 and 91.
The Greatest Common Factor (GCF) is: 13
The GCF is 7.
It is 7
The GCF is 7.
1 is the highest common factor of 91 and 251.
The highest common factor is 7.
The highest common factor of the numbers 28, 84 and 91 is 7.
The highest common factor of the numbers 35, 49 and 91 is 7.
The highest common factor of the numbers 91, 156 and 169 is 13.
The highest common factor of the numbers 78, 91 and 156 is 13.
The highest factor of any positive integer is the integer itself. The highest common factor of 91 and 203 is 7.
7 is the highest common factor of 21, 77 and 91.
The highest common factor of the numbers 39, 91 and 169 is 13.
The Greatest Common Factor (GCF) is: 13
13
7