# Special Primes

**Conjecture**Let be a prime natural number. Find all primes , such that .

## Bibliography

* indicates original appearance(s) of problem.

### paul newell

On February 17th, 2012 Anonymous says:

q divides 2^((q-1)/P))-1 iff p divides (q-1)/( Order of2 mod q )

## All primes are

All primes are p=(q-1)/(order of 2 mod q)