2×10²⁶³+3 = 2(0)₂₆₂3_<264> = 31 × 3896513 × 667516455179191_<15> × 932077490666316232204823973171301_<33> × 726004703695084781066463892466467884695551683099876887_<54> × 3665546571706149257548337890594516151290272232271381706628389889461600193876431020439722368598162380712785174493630109182411160724352704549396055558790953_<154> (Makoto Kamada / GMP-ECM 6.4.4 B1=1e6, sigma=2787437306 for P33 / January 13, 2016 2016 年 1 月 13 日) (Bart Jans / YAFU Version 2.11 Built with Microsoft Visual Studio 1934 and Intel Compiler 2021 Using GMP-ECM 7.0.6-dev, Powered by MPIR 3.0.0 B1=402 for P54 x P154 / August 9, 2024 2024 年 8 月 9 日)