• $23068673=2^{21}\times11+1$
• $69206017=2^{21}\times3\times11+1$
• $81788929=2^{21}\times3\times13+1$
• $104857601=2^{22}\times5^{2}+1$
• $111149057=2^{21}\times53+1$
• $113246209=2^{22}\times3^{3}+1$
• $132120577=2^{21}\times3^{2}\times7+1$
• $136314881=2^{21}\times5\times13+1$
• $138412033=2^{22}\times3\times11+1$
• $155189249=2^{22}\times37+1$
• $163577857=2^{22}\times3\times13+1$
• $167772161=2^{25}\times5+1$
• $169869313=2^{21}\times3^{4}+1$
• $186646529=2^{21}\times89+1$
• $199229441=2^{21}\times5\times19+1$
• $211812353=2^{21}\times101+1$
• $230686721=2^{22}\times5\times11+1$
• $249561089=2^{21}\times7\times17+1$
• $257949697=2^{21}\times3\times41+1$
• $270532609=2^{21}\times3\times43+1$
• $274726913=2^{21}\times131+1$
• $377487361=2^{23}\times3^{2}\times5+1$
• $383778817=2^{21}\times3\times61+1$
• $387973121=2^{21}\times5\times37+1$
• $415236097=2^{22}\times3^{2}\times11+1$
• $459276289=2^{21}\times3\times73+1$
• $463470593=2^{21}\times13\times17+1$
• $469762049=2^{26}\times7+1$
• $576716801=2^{21}\times5^{2}\times11+1$
• $595591169=2^{23}\times71+1$
• $597688321=2^{21}\times3\times5\times19+1$
• $635437057=2^{21}\times3\times101+1$
• $639631361=2^{21}\times5\times61+1$
• $645922817=2^{23}\times7\times11+1$
• $648019969=2^{21}\times3\times103+1$
• $666894337=2^{22}\times3\times53+1$
• $683671553=2^{22}\times163+1$
• $710934529=2^{21}\times3\times113+1$
• $715128833=2^{21}\times11\times31+1$
• $740294657=2^{21}\times353+1$
• $754974721=2^{24}\times3^{2}\times5+1$
• $786432001=2^{21}\times3\times5^{3}+1$
• $799014913=2^{21}\times3\times127+1$
• $824180737=2^{21}\times3\times131+1$
• $880803841=2^{23}\times3\times5\times7+1$
• $897581057=2^{23}\times107+1$
• $899678209=2^{21}\times3\times11\times13+1$
• $918552577=2^{22}\times3\times73+1$
• $924844033=2^{21}\times3^{2}\times7^{2}+1$
• $935329793=2^{22}\times223+1$
• $943718401=2^{22}\times3^{2}\times5^{2}+1$
• $950009857=2^{21}\times3\times151+1$
• $962592769=2^{21}\times3^{3}\times17+1$
• $975175681=2^{21}\times3\times5\times31+1$
• $985661441=2^{22}\times5\times47+1$
• $998244353=2^{23}\times7\times17+1$
• $1004535809=2^{21}\times479+1$
• $1012924417=2^{21}\times3\times7\times23+1$
Kerry Su