Read Edit View history 质因数 zhìyīnshù prime factor Origin Definitions Defs Strokes Stroke Words Sentences Sents created sense approved 质因数/質因數 · zhìyīnshù · prime factor 2026/03/04 质因数 / 質因數 zhìyīnshù prime factor prime factor (in arithmetic) 15的质因数是3和5。 created sense Mar 4, 2026, 02:25 AM