Read Edit View history 质数 zhìshù prime number Origin Definitions Defs Strokes Stroke Words Sentences Sents created sense approved 质数/質數 · zhìshù · prime number 2026/03/04 质数 / 質數 zhìshù prime number prime number 2, 3, 5 和 7 都是质数。 noun created sense Mar 4, 2026, 02:25 AM