This is a common cause of confusion, especially to those who may be new to using LMS.  On the "Submitted" subtab under the "Applications" tab in LMS (when logged in for filing), the header of the list of applications will look like this:

Two or more pending applications become mutually exclusive (MX) if they cannot both be granted because of the FCC rules related to protections between translators.  This would mean:

It is important to realize that in almost all situations, an LPFM station seeking an FM translator will be for a facility where the 60 dBu service contour of the translator does extend to areas outside of the 60 dBu service contour of the LPFM station.  In these types of situations (for any station), this is considered a "non fill-in" translator.  We will address this question based solely on non fill-in translators for LPFM stations.

§73.860 outlines the rules that are in effect for LPFM licensees seeking FM translators.

The only potential negative impacts that we would see to LPFM stations from new FM translators in this filing window would be for LPFM stations operating on 88.1 through 92.3.   LPFM stations operating on 92.5~107.9 would experience no impacts.  There are very few LPFM stations operating in the 88.1~91.9 reserved band.

Before we take into consideration protections to other facilities...