I am observing that every even number is the difference of two primes. It appears to be true for a number of numbers (doesn't mean it is true, I know).
Question: Anyone know more on this?
Thanks
2026-03-25 22:02:46.1774476166
variation of goldbach
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This is an open problem see here.
It is a much weaker version of the well known Polignac conjecture.