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

• This paper introduces the encryption and decryption of RSA system in public key and concludes that the key of the system security is the generation of big prime number.
  在详细介绍公要密码中RSA系统的加密、解密的基础上，分析了该系统安全的关键是大素数的生成。
• The number of judging times in this method was cut down by improving the Miller-Rabin probabilistic prime number detection method, and the scope of test was reduced by being filtered using little prime number.
  在该方法中，通过对Miller-Rabin概率性素数检测法进行改进，减少判断的次数，并利用小素数进行筛选，大大缩小了测试的范围，有效地提高了寻找大素数的速度。
• It's a one, it's a prime number.
  这是数字一，它是个质数。
• To see why, imagine a situation where the table size is not a prime number.
  为了考察为什么会有这个限制，假设表的容量不是质数。
• A Simple Example: A Web-Based Prime Number Generator
  一个简单的示例：基于Web的质数生成器
• And the generation of big prime number and the googol computation are also solved in this system.
  在系统的实现过程中，还主要解决了大素数的生成以及大数运算等问题。
• The private key and public key are the function of a pair of big prime number ( decimal number between 100 and 200 bit or larger).
  其公开密钥和私人密钥是一对大素数（100到200个十进制数或更大）的函数。
• Cray number crunchers discovered the largest prime number.
  克来公司的电脑发现了世界上最大的素数。
• There are 271 kinds of tooth numbers of big gear which can realize mutual prime number.
  能实现齿数互质的大轮齿数有271种。
• Technology of XML Index structure based on prime number coding schema
  基于素数编码Schema的XML索引结构的研究