Question

definition of the twin prime number​

Answer 1

A twin prime is a prime number that is either 2 less or 2 more than another prime number—for example, either member of the twin prime pair (41, 43). In other words, a twin prime is a prime that has a prime gap of two. ... However, it is unknown whether there are infinitely many twin primes or there is a largest pair.

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Answer 2

the pair of prime number which differ by 2