构建数的基石——质数

The Building Blocks of Numbers——Prime Number

2,3,5,7,11,13,…,这些数都是质数,即只有1和它本身两个因数的数,质数是其他所有数的基石,质数非常重要,也是人类追求知识道路上最难解的谜团之一,我们至今也无法找到所有的质数.因为没有能算出质数的神奇公式.

Indivisible numbers such as 2,3,5,7,11,13 are prime numbers. An integer greater than one is said to be prime if it has no divisors other than itself and one. Prime numbers are the building blocks of all numbers. Although prime numbers is very important, but they have been one of the biggest unsolved secrets in human history. We still can not find all prime numbers, because there is no magic formula can calculate the prime numbers.