<http://webisa.webdatacommons.org/158298023>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/prov/54243540>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/158298023> .
<http://webisa.webdatacommons.org/158298023>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<stackexchange.com> .
<http://webisa.webdatacommons.org/158298023>	<http://www.w3.org/ns/prov#value>	"If p is a prime number, then there exist ??(p-1) distinct primitive roots modulo p." .