Members of the fellowship of the Ring :
1. Gandalf
2. Aragorn
3. Legolas
4. Gimli
5. Boromir
6.1 Frodo (*)
6.2 Sam
6.3 Merry
6.4 Pippin
*Since Hobbits are a quarter of a man, so 4 Hobbits = 1 man.
Party of 4 is heresy to fantasy genre. Fix it!
4 p m is an optimal and logical number that also has to do with balance, 5 will be OP.