prime number

英 [ˌpraɪm ˈnʌmbə(r)]

美 [ˌpraɪm ˈnʌmbər]

n.  素数，质数(只能被1和其自身整除)

TOEFL计算机

牛津词典

noun

• 素数，质数（只能被1和其自身整除）
  a number that can be divided exactly only by itself and 1, for example 7, 17 and 41

柯林斯词典

• 质数；素数
  In mathematics, aprime numberis a whole number greater than 1 that cannot be divided exactly by any whole number except itself and the number 1, for example 17.

英英释义

noun

• an integer that has no integral factors but itself and 1

双语例句