Terence Tao subsequently proposed a Polymath project collaborative effort to optimize Zhang's bound; as of April 14,2014, according to the Polymath project wiki, N has been reduced to 246.
Terence Tao subsequently proposed a Polymath project collaborative effort. This was to optimize Zhang's bound. N has been reduced to 246. This was according to the Polymath project wiki. This was as of April 14,2014.