About: http://webisa.webdatacommons.org/99166475

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	Ok, I tested and that number is a safe prime, i.e. p=2q+1, p and q are prime.
http://www.w3.org/ns/prov#wasQuotedFrom	stackexchange.com