Help me to prove,that there are infinitely many prime P,for which 2*P+1 also prime.(In fact,I have no idea is it correct or not?)
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https://en.wikipedia.org/wiki/Sophie_Germain_prime
"It is conjectured that there are infinitely many Sophie Germain primes, but this has not been proven" Wow I did not expect,that it would be such a big problem :\