The two numbers can be 479 and 958 (479 doubled). 958 only has the factors 479 and 2, so, since 2 does not factor into 479, the common factor remains 479.
479 and 479
479 and 958 are two numbers whose greatest common factor is 479, among others.
479 is a prime number. Numbers having a greatest common factor of 479 are 479 and 958, or any other two or more multiples of 479.
479 and 958, among others.
479 and 958 is one possibility.
479 and 1, or 958 and 479 or 479 and any multiple of 479.
A single number cannot have a greatest common factor because "common" refers to factors that two or more numbers have in common. You have only one number.
There is not a greatest common factor of 479 because there cannot be a greatest common factor without two or more numbers to compare. Common factors are factors that the numbers being compared have in common. The factors of 479 are 1 and 479. Since 479 is a prime number, it does not have any other factors than 1 and itself. The only common factors it could have with another number are 1 or 479.
A single number cannot have a greatest common factor because "common" refers to factors that two or more numbers have in common. You have only one, which is 479. Also, only one number can be the greatest.
The greatest common factor (GCF) refers to a factor that is COMMON to two or more numbers. A single number (the smallest) cannot have a GCF.
This cannot be answered properly because at least two numbers are required.