Step-by-step explanation:

Or basically,

or

The equation of a circle:

(h,k) - the coordinates of the center
r - the radius
The center is (4,0), the length of the radius is 2√3.
So prime factorization is what it seems, <u>finding the prime factors of a number.</u> Using prime factorization, we can break down 254 as such:

Since 2 and 127 are prime,<u> the prime factorization of 254 is 2 × 127.</u>