Common factor - common denominator

Japanese: 公約数 - こうやくすう

〘noun〙① In mathematics, a common factor of two or more integers. The largest one is called the greatest common factor. It also applies to polynomials. A common factor. [English-Japanese Dictionary of Mathematical Use (1889)]② Figuratively, an element that two or more things have in common. ※Takagi Taku, The Tang Ship (1936) 4 "The first two shared the minor factor of 'studying abroad,' the latter two shared the major factor of desire for success or worldly-mindedness, and Nakamaro Genbo and I shared no factors or common factors."

Source: The Selected Edition of the Japanese Language Dictionary About the Selected Edition of the Japanese Language Dictionary Information

Japanese:

〘名〙① 数学で、二つ以上の整数に共通な約数。最大のものを最大公約数という。整式に対しても準用する。公因数。〔数学ニ用ヰル辞ノ英和対訳字書（1889）〕② 比喩的に、二つ以上のものが共通して有している要素。※遣唐船（1936）四〈高木卓〉「前者二人は『留学生』といふ小因数を共有し、後者二人は栄達慾または世俗心といふ大因数を共有し、そして仲麿玄昉間には何らの因数も公約数も共通しなかった」

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