Let the set of prime numbers in Lets in and

To find the pairs such that and are primes simultaneously.

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- Jul 6th 2009, 06:21 PMrrronny2^p+3^q, p and q in P
Let the set of prime numbers in Lets in and

To find the pairs such that and are primes simultaneously. - Sep 5th 2009, 03:29 AMDavidEriksson
Interesting question. It's easy for since iff . When it seems to be a lot harder.