Are there infinitely many prime numbers p so that p+2 and p+4 are also primes?

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18-09-2017
Mathematics

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Are there infinitely many prime numbers p so that p+2 and p+4 are also primes?

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mreijepatmat mreijepatmat · Answer 1 · 2017-09-19T02:25:51+02:00

mreijepatmat mreijepatmat

19-09-2017

There are infinitely prime numbers "p", but p+2 and p+4 are not primes.

Example: Suppose p = 7 (prime) if you add 2, it becomes 9 (Not a Prime).
Same thing if p = 11(prime), if yo add 4, it becomes 15 (Not a prime number)

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