If my bf rubbed 'down there' with very little precum on his hand, could i get pregnant? on lolo bc for over a year. never missed a pill & a virgin

Not likely, but...: Realistically your chances are exceptionally low perhaps not zero but it would be more likely to get struck by lightning. However, the Devil is in the details. Did he push his fingers inside or only outside, either way unlikely. But be careful because sexual transmitted disease's can still be transmitted in various ways not unlike would you describe.