yes but it is not really useful in mathematics
In mathematics, the greatest common factor of 13 is 1.
In mathematics, the greatest common divisor is also known as the greatest common factor (gcf), highest common factor (hcf), greatest common measure (gcm), or highest common divisor.
No, 15 is not a factor of 72.
15
You need two number to get a common factor. A single number doesn't have any.
A factor is a number or quantity that when multiplied with another produces a given number or expression. Common factors are factors that two or more numbers have in common.
It is 16
It is: 1
It is: 2
It is: 25
3