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孪生质数有哪些
更新时间: 2020-10-31 00:00:00  

孪生质数有3和5,5和7,11和13等。孪生素数即相差2的一对素数。孪生素数有一个十分精确的普遍公式,是根据一个定理:若知自然数Q与Q+2都不能被不大于根号Q+2的任何素数整除,则Q与Q+2是一对素数,称为相差2的孪生素数。

关键词: 孪生 质数 哪些

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