Is 1 1/3 greater than any of its factor

No

Step-by-step explanation:

The factors of 3 are 3, 1.

The factors of 11 are 11, 1.

The common factors of 3 and 11 are 1, intersecting the two sets above.

In the intersection factors of 3 ∩ factors of 11 the greatest element is 1.

Therefore, the greatest common factor of 3 and 11 is 1.