What is the meaning of prime number (what is the twin prime number

1、 1. Judgment criteria: from the definition of general term formula, there is no general term formula for prime numbers today, and it is about He Shuangsheng prime numbers. However, from the perspective of the special limiting effect of the general term formula, it is only necessary to achieve two limiting standards to obtain twin prime numbers. The twin prime number can be expressed as 2n ± 1. In this relationship, 2n 1 is a prime number

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