rg_lzm的博客

Primes题目Write a program to read in a list of integers and determine whether or not each number is prime. A number, n, is prime if its only divisors are 1 and n. For this problem, the numbers 1 and 2...

Prime Time链接Euler is a well-known matematician, and, among many other things, he discovered that the formulan2 + n + 41 produces a prime for 0 ≤ n < 40. For n = 40, the formula produces 1681, wh...