The collection of first given prime natural numbers is  as set containing the elements 2, 3, 5, 7, 11.

Explanation

As set is a well defined collection of objects Therefore collection of first five prime natural numbers containing the elements` 2, 3, 5, 7, 11`.can be written as

`C={2,3,5,7,11.}`

which is well defined.
Hence the collection of first five prime natural numbers is  a set containing the elements` 2, 3, 5, 7,
11.`