素数定理(prime number theorem)是素数分布理论的中心定理,是关于素数个数问题的一个命题: 设x≥1,以π(x)表示不超过x的素数的个数,当x→∞时,π(x)~Li(x)或π(x)~x/ln(x)。(Li(x)为对数积分)
三素数定理 [数] three primes theorem
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解决了三素数定理推广到素数取自算术级数的问题。
Every large odd integer can be represeted as the sum of three primes which take from arithmetic progressions.
在筛法和费尔马小定理的基础上,利用索阶乘及判别数对如何判别一个整数是否是一个素数的算法加以改进。
The algorithm of distinguishing prime number is improved on the basis of Eratosthenes' sieve method and Fermat 's minor theorem.
RSA公钥密码算法的基础是欧拉定理,它的安全性依赖于大素数因式分解的困难性。
RSA Public Cryptogram algorithm is based on Theorem of Euler, whose security depends on the difficulty about the factor decomposed of great number.
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