- #1
nikolany
- 4
- 0
The twin primes 5 and 7 are such that one half their sum is a perfect number. Are there any other twin primes with this property?
It works for p=5. I think it should be of the form 1/2*(p+P+2). Is this true? How can I prove it?
Thx
It works for p=5. I think it should be of the form 1/2*(p+P+2). Is this true? How can I prove it?
Thx