Everybody knows how to check if a number is prime :. The number 2017 is prime . The resulting value of P MUST be a prime number too.
It is guaranteed that p is prime number . Three is prime , he knows that. Return True possibly prime . Input an integer value and determine if it is a prime number . Ask if 6 is a prime number . In fact, it actually might be a prime number . 于是2p+1也是质数若2p+1是质数 则存在一个大于1012的质数。 And thus 2p+1 is also prime if 2p+1 is prime there is an even prime number greater than 1012. For example 7 is prime , because it can only be divided by 1 and 7. 啊?但是比如说5是质数 ,它不就只能被1和5整除嘛。 For example, the number 5 is prime because it can only be evenlly divided by 1 and 5. 证明给定一个数字是质数 长久以来已被用于证明计算能力。 Proving that a given number is prime has long been used to demonstrate calculating prowess. 是否有必要检查所有的数字,2和N-1之间,以查看N是否是质数 ?提示? Do we really need to check all of the numbers between 2 and N-1, to check if N is prime ? 统计学家:让我们来试几个随机抽取的数:17是质数 ,23是质数 ,11是质数 ,……. Statistician: Try several randomly chosen odd numbers: 17 is prime , 23 is prime , 11 is prime ,…. 黎曼假设之所以如此诱人是因为其与数论联系紧密,特别是质数 。 The Riemann hypothesis holds such a strong allure because it is deeply connected to number theory and, in particular, the prime numbers . 它本身是质数 ,而且如果我们从左边不断地裁去数字,得到的仍然都是质数:3797,797,97,7。 Being prime itself, it is possible to continuously remove digits from left to right, and remain prime at each stage: 3797, 797, 97. For example, 7 is a prime number , because it's only factors are itself(7) and 1. Is a prime number because it only has two factors, 1 and 17.For example, 17 is a prime number because its only factors are 1 and 17. 如果α<0.5且M是质数 (gt;3),那么我们总是可以使用二次探测找到一个空槽。 If α< 0.5 and M is a prime (gt; 3), then we can always find an empty slot using Quadratic Probing. For example, seven is a prime number because it can only be evenly divided by 7 and 1. 统计学家:让我们来试几个随机抽取的数:17是质数 ,23是质数 ,11是质数 ,……. Statistician: Let's try several randomly chosen numbers: 17 is a prime , 23 is a prime , 11 is a prime …. 如3:56不能被约分,因为没有公因数--3是质数 ,56不能被3整除。 For example, 3: 56 cannot be reduced because the two numbers share no common factors- 3 is a prime number , and 56 is not divisible by 3. 如果一个数只有两个因子:1和它本身,那么这个数字是质数 。 If the number has only two factors, 1 and itself, then it is prime . 数学专业的大学生说:“3是质数、5是质数 、7是质数、9不是质数,所以定理为假。 The math student said,"3 is prime, 5 is prime, 7 is prime , 9 is not prime, so the theorem is false.".
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