| dbo:abstract |
Ralph Ernest Powers (April 27, 1875 – January 31, 1952) was an American amateur mathematician who worked on prime numbers. He is credited with discovering the Mersenne primes M89 and M107, in 1911 and 1914 respectively. In 1934 he verified that the Mersenne number M241 is composite. (en) Ralph Ernest Powers (27 de abril de 1875 – 31 de janeiro de 1952) foi um matemático amador estadunidense que trabalhou sobre números primos. É creditado pela descoberta dos primos de Mersenne M89 e M107, em 1911 e 1914 respectivamente. Em 1934 verificou que o número de Mersenne M241 é composto. (pt) |
| dbo:wikiPageExternalLink |
http://primes.utm.edu/ http://www.utm.edu/research/primes/mersenne/LukeMirror/lit/lit_024s.htm http://primes.utm.edu/mersenne/LukeMirror/lit/lit_002.txt |
| dbo:wikiPageID |
1560725 (xsd:integer) |
| dbo:wikiPageLength |
3624 (xsd:nonNegativeInteger) |
| dbo:wikiPageRevisionID |
1021993998 (xsd:integer) |
| dbo:wikiPageWikiLink |
dbr:Prime_numbers dbr:PrimePages dbr:Denver_and_Rio_Grande_Western_Railroad dbr:Continued_fraction_factorization dbc:1875_births dbc:Number_theorists dbc:1952_deaths dbr:D._H._Lehmer dbr:Fountain,_Colorado dbr:Mersenne_prime dbr:Mersenne_primes dbr:Raphael_M._Robinson |
| dbp:wikiPageUsesTemplate |
dbt:Authority_control dbt:Math dbt:Reflist dbt:US-mathematician-stub |
| dct:subject |
dbc:1875_births dbc:Number_theorists dbc:1952_deaths |
| gold:hypernym |
dbr:Mathematician |
| rdf:type |
owl:Thing dbo:Person yago:WikicatNumberTheorists yago:CausalAgent100007347 yago:LivingThing100004258 yago:Mathematician110301261 yago:NumberTheorist110366276 yago:Object100002684 yago:Organism100004475 yago:Person100007846 yago:PhysicalEntity100001930 yago:YagoLegalActor yago:YagoLegalActorGeo yago:Scientist110560637 yago:Whole100003553 |
| rdfs:comment |
Ralph Ernest Powers (April 27, 1875 – January 31, 1952) was an American amateur mathematician who worked on prime numbers. He is credited with discovering the Mersenne primes M89 and M107, in 1911 and 1914 respectively. In 1934 he verified that the Mersenne number M241 is composite. (en) Ralph Ernest Powers (27 de abril de 1875 – 31 de janeiro de 1952) foi um matemático amador estadunidense que trabalhou sobre números primos. É creditado pela descoberta dos primos de Mersenne M89 e M107, em 1911 e 1914 respectivamente. Em 1934 verificou que o número de Mersenne M241 é composto. (pt) |
| rdfs:label |
Ralph Ernest Powers (en) Ralph Ernest Powers (pt) |
| owl:sameAs |
freebase:Ralph Ernest Powers yago-res:Ralph Ernest Powers wikidata:Ralph Ernest Powers dbpedia-pt:Ralph Ernest Powers https://global.dbpedia.org/id/4tV7t |
| prov:wasDerivedFrom |
wikipedia-en:Ralph_Ernest_Powers?oldid=1021993998&ns=0 |
| foaf:isPrimaryTopicOf |
wikipedia-en:Ralph_Ernest_Powers |
| is dbo:wikiPageRedirects of |
dbr:R.E._Powers dbr:R._E._Powers dbr:R._e._powers dbr:RE_Powers dbr:R_E_Powers |
| is dbo:wikiPageWikiLink of |
dbr:List_of_Mersenne_primes_and_perfect_numbers dbr:Ivan_Pervushin dbr:Powers_(name) dbr:John_Brillhart dbr:R.E._Powers dbr:R._E._Powers dbr:R._e._powers dbr:RE_Powers dbr:R_E_Powers |
| is foaf:primaryTopic of |
wikipedia-en:Ralph_Ernest_Powers |