The greatest common factor of 49 and 343 is 49.
The GCF of 343 and 125 is 1.
The GCF of 8 and 343 is 1. Since there is no common prime factor, you must look for a number that will divide into both 8 and 343. This number is 1. Therefore, the greatest common factor is 1
The GCF is 1.
The GCF is 1.
The GCF is 1.
The GCF is 1.
The GCF is 1.
The GCF is 1.
The GCF is 1.
The GCF is 7.
The greatest common factor of 343 and 729 is 1 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.