1. 素因子分解

2. 前 n 个素数

def primes(kmax):"""标准Python语法下的素数计算"""    p= range(1000)    result = []    if kmax > 1000:        kmax = 1000    k = 0    n = 2    while k < kmax:        i = 0        while i < k and n % p[i] != 0:            i = i + 1        if i == k:            p[k] = n            k = k + 1            result.append(n)        n = n + 1    return result