The fourth-smallest megaprime of the form n^4096+1 (n=min base+377416), this number cannot be proven prime since the base is not >= 33.3333% factorized yet (has a 233-digits composite cofactor), reference: http://boincvm.proxyma.ru:30080/test4vm/user_profile/gfn12mega_hunt_status.html

To be completed...