Sign up ×

Possible Duplicate:
Every even integer can be expressed as the difference of two primes?

there is one conjecture that I do not know what they are called. This is:

Every even number can be always written as the difference between two prime numbers. Could you please help me to know what it is called?


share|cite|improve this question

marked as duplicate by Graphth, Chris Eagle, Arkamis, ncmathsadist, tomasz Nov 1 '12 at 22:08


Do you mean difference of two prime numbers or sum of two prime numbers. – Graphth Nov 1 '12 at 19:44
Answered in the comments here:… – Dejan Govc Nov 1 '12 at 20:13

1 Answer 1

Polignac's conjecture is what you want. It goes further, stating that there are infinately many prime gaps of size $n$ for every even integer $n$.

share|cite|improve this answer
