In 2000 Huxley showed that E ( r ) = O ( r 131 / 208 ) {\displaystyle E(r)=O(r^{131/208})} , which is the best published result.
2000年馬丁·赫胥黎（英语：Martin Huxley）證明了 E ( r ) = O ( r 131 / 208 ) {\displaystyle E(r)=O(r^{131/208})} ，是目前最好的結果。