About: http://webisa.webdatacommons.org/97738294

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	f(n) is the number of positive integers each of which is less than n and has no positive factor in common with n other than 1. if P is any prime number then f(p) = a) 2
http://www.w3.org/ns/prov#wasQuotedFrom	gmatclub.com