Slight cleanup of PE problem 54 solution
Slight cleanup of PE problem 54 solution

littledan/Factor,cataska/factor,nicolas-p/factor,slavapestov/factor,erg/factor,slavapestov/factor,nicolas-p/factor,factor/factor,dch/factor,factor/factor,mcandre/factor,factor/factor,tgunr/factor,bjourne/factor,factor/factor,AlexIljin/factor,bjourne/factor,Keyholder/factor,bpollack/factor,sarvex/factor-lang,cataska/factor,AlexIljin/factor,bjourne/factor,littledan/Factor,slavapestov/factor,mrjbq7/factor,dch/factor,cataska/factor,tgunr/factor,nicolas-p/factor,factor/factor,ehird/factor,factor/factor,cataska/factor,tgunr/factor,dch/factor,nicolas-p/factor,bpollack/factor,bpollack/factor,ehird/factor,AlexIljin/factor,ceninan/factor,slavapestov/factor,bjourne/factor,mcandre/factor,erg/factor,sarvex/factor-lang,dch/factor,erg/factor,kingcons/factor,mrjbq7/factor,sarvex/factor-lang,tgunr/factor,bjourne/factor,mcandre/factor,slavapestov/factor,nicolas-p/factor,seckar/factor,mrjbq7/factor,littledan/Factor,mrjbq7/factor,kingcons/factor,mcandre/factor,sarvex/factor-lang,seckar/factor,bpollack/factor,mrjbq7/factor,mcandre/factor,erg/factor,AlexIljin/factor,mrjbq7/factor,mcandre/factor,tgunr/factor,seckar/factor,ceninan/factor,kingcons/factor,mcandre/factor,ceninan/factor,bpollack/factor,nicolas-p/factor,bjourne/factor,littledan/Factor,bpollack/factor,Keyholder/factor,ehird/factor,nicolas-p/factor,ceninan/factor,dch/factor,AlexIljin/factor,slavapestov/factor,erg/factor,dch/factor,Keyholder/factor,sarvex/factor-lang,bpollack/factor,slavapestov/factor,erg/factor,kingcons/factor,sarvex/factor-lang,sarvex/factor-lang,erg/factor,AlexIljin/factor,bjourne/factor,tgunr/factor,AlexIljin/factor