About: http://webisa.webdatacommons.org/172479871

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	@Emil, I agree that one can easily test if a number is a perfect power, however the question was How does one efficiently determine if a given number is a prime power?
http://www.w3.org/ns/prov#wasQuotedFrom	mathoverflow.net