VFYPR has proven that (10^3011+1)/11 is prime.

Phi(6022,10) 3010 F2 01
Unique, APR-CL assisted
http://groups.yahoo.com/group/primeform/files/APRCL/U6022.txt

This is the largest proven unique-period prime in base 10.
With 19.55% factorization of N-1, VFYPR took 25.3 days at 900MHz.

By contrast,

(1209^1009-1)/1208 3108 F2 01
Generalized repunit, APR-CL assisted
http://groups.yahoo.com/group/primeform/files/APRCL/G1209.txt

was much easier, with 31.37% of N-1 factorized.

David