AP: Iran says 190,000 centrifuges, but US says no more than 2,000

In latest news on Iran nuclear dispute, the Associated Press reported the US and allies agreeing with the 4 month extension of nuclear talks with Iran prevented the complete dissolution of these negotiations… however, there is no guarantee to overcome the harsh differences with Iran and reaching a final deal.
In another report AP said Iran is looking for 190,000 centrifuges, but diplomats say Washington is pressing on no more than 2,000 devices.