Some Numbers, even very large ones,
Have no factors- except themselves and
Of course One.
These are the Prime Numbers.
Original, Gnarled, Unpredictable,
The Freaks of the Number World.

They are Prime Numbers, because
They start and even end with Themselves.
They will continue to remain Prime,
Even if no one had proven them Prime.

Prime Numbers are the ones left, when
All the Patterns are...