翻訳と辞書 Words near each other ・ Ralph Emerson (theologian) ・ Ralph Emerson Bailey ・ Ralph Emerson Carpenter, Jr. ・ Ralph Emery ・ Ralph Emmerson ・ Ralph Empey ・ Ralph Endersby ・ Ralph Endersby Harwood ・ Ralph Engelstad ・ Ralph Engelstad Arena ・ Ralph Engelstad Arena (Minnesota) ・ Ralph Engelstad Arena (old) ・ Ralph Erdmann ・ Ralph Ergham ・ Ralph Erickson ・ Ralph Ernest Powers ・ Ralph Erskine ・ Ralph Erskine (architect) ・ Ralph Erskine (preacher) ・ Ralph Erskine Cleland ・ Ralph Erwin ・ Ralph Escudero ・ Ralph Etherton ・ Ralph Etwall ・ Ralph Eugene Diffendorfer ・ Ralph Eugene Meatyard ・ Ralph Eure ・ Ralph Eure, 3rd Baron Eure ・ Ralph Evans ・ Ralph Evans (boxer) Dictionary Lists mini英和辞書 mini和英辞書 Webster 1913 Latin-English FOLDOC Wikipedia English ウィキペディア

翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク Ralph Ernest Powers ： ウィキペディア英語版 Ralph Ernest Powers Ralph Ernest Powers (April 27, 1875 – January 31, 1952) was an American amateur mathematician who worked on prime numbers. ==Life== Details of his life are little-known,〔(Obituary ) by D. H. Lehmer〕 though he appears to have been an employee of the Denver and Rio Grande Western Railroad. However, Powers was apparently the first mathematician to demonstrate that the Mersenne number ''M''107 = 2107 − 1 was indeed prime. This was published in his article ''Certain composite Mersenne's numbers'' in 1916. Sometimes, mathematical textbooks attribute this result to one E. Fauquembergue, but it appears that many of Fauquembergue's claims were later demonstrated as erroneous; thus, many prefer recognizing Powers as the discoverer, including the well-known Internet resource The Prime Pages. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Ralph Ernest Powers」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.