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单词 Sophie Germain prime
释义

Sophie Germain prime

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索菲·热尔曼质数

若质数p索菲热尔曼质数,则2p+1亦为质数。索菲·热尔曼证明了费马最后定理对于这类质数为真。且若x,y,z均为整数,在x^p + y^p = z^p这式子内,必有一项能被2p+1整除。

是否存在无限个索菲热尔曼质数仍属猜想。

从1到10000共有190个索菲热尔曼质数OEIS中的数列A005384

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Sophie Germain prime 索菲·热尔曼质数

In number theory, a prime number p is a Sophie Germain prime if 2p + 1 is also prime. The number 2p + 1 associated with a Sophie Germain prime is called a safe prime. For example, 29 is a Sophie Germain prime and 2 × 29 + 1 = 59 is its associated safe prime. Sophie Germain primes are named after French mathematician Sophie Germain, who used them in her investigations of Fermat's Last Theorem. Sophie Germain primes and safe primes have applications in public key cryptography and primality testing. It has been conjectured that there are infinitely many Sophie Germain primes, but this remains unproven.

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更新时间:2025/6/23 13:36:40