prime number
noun [ C ] mathematics uk/ˌpraɪm ˈnʌm.bər/ us/ˌpraɪm ˈnʌm.bɚ/
质数，素数
a number that cannot be divided by any other number except itself and the number 1
2, 3, and 7 are prime numbers. 2，3和7是素数。
江苏热线英汉汉英双解词典包含207361条英汉翻译词条，涵盖了常用英语单词及词组短语的翻译及用法，是英语学习的必备工具。