质数就是能被他本身和1整除的数。 有2,3,5,7,11,13,17,19,23,29,31,37,41,43,47,53,59,61,67,71,73,79,83,89,97
1.2,3,5,7,11,13,17,19,23,29,31,37,41,43,47,53,57,59,61,67,71,73,79,83,87,91,97,