There are indeed "quantum computers" that work on a few qubits (less than 10), but without what is called "error protection". They are useless for running facto

There are indeed "quantum computers" that work on a few qubits (less than 10), but without what is called "error protection". They are useless for running factorization of practical sizes (i.e. they do break small keys, but you can break those by hand on paper as well).