Definition

Examples

• 素数只能被1和它本身整除。
  sù shù zhǐ néng bèi yī hé tā běnshēn zhěngchú.
  A prime number can only be divided by 1 and itself.
• 这个数是不是素数？
  Zhège shù shì bu shì sù shù?
  Is this number a prime number?
• 密码学中经常用到大的素数。
  Mìmǎxué zhōng jīngcháng yòng dào dà de sù shù.
  Large prime numbers are often used in cryptography.