No, they're christians, but I think they have a few more books in their bible.I'm sure the Muslims on our board to answer better than myself, but the way I see I've read it, Jesus is a prophet to the Christians, Muhammad is not necessarily the "greatest" prophet, but the "last" prophet, and the prophet to Muslims.
So do Mormon's worship a different God?
I don't pretend to be an expert on Islam or Judaism, or even Catholicism, I just know what I know. And I know there is sufficient reason I could see that I wouldn't argue "They are all the same God". It's what I believe personally, but I can't prove it.