poj 3143 验证“歌德巴赫猜想”，即：任意一个大于等于6的偶数均可表示成两个素数之和。 http://poj.grids.cn/problem?id=3143 可直接运行,poj 3143 authentication " Goldbach Conjecture" , namely: any even number greater than or equal to 6 can be expressed as the sum of two primes. http://poj.grids.cn/problem?id=3143 can be directly run