# via Yousuke Koide
n=792: 246288943607463575049631057704872789315648893038409344335438892115177
n=617: 4830562365700424178611903148293
n=2140M: 2663175124735692788546303920893311173981
n=2730: 5953395590224596670581957589121611
n=2980M: 288402714464678603661515072629901
n=1498: 56551536406585191369576818265496921