The smallest I can get it (as a Zip) is 1307k.
Sometimes this is because you have embedded images in things like buttons, form backgrounds, report headers and the like. Those are stored in a system table and you'd never get the file size down small enough because of that. If that's your problem, it's usually best to link images and keep them in the same folder as the db, or a sub folder of it.
The more we hear silence, the more we begin to think about our value in this universe.
Paraphrase of Professor Brian Cox.