Drop 1813440 (2^2*3*5*7, ECMed C114)
Drop 1912800 (2^2*3^2*7, ECMed C114)
Drop 1771264 (2*3^2*5*ECMed C115)
Drop 1442928 (2^4*3*5*ECMed C123)
Drop 1660128 (2^5*3, ECMed C126)
Drop 1763310 (2^2*7, ECMed C114)
Drop 1841904 (2*3, ECMed C112)
Drop 1947576 (2*3^2, ECMed C114)
Drop 1749916 (2^4*31, ECMed C116)
Drop 1914804 (2^3*3*ECMed C116)
Drop 1767078 (2^2*3^2*5, ECMed C117)
Drop 1757784 (2^4*3^3*5*31, ECMed C113)

Drop 857808 1024488 1167640 1460624 1798272 1824708 1870272 1917396

Drop 1665144 (2^4*3*31, ECMed C115)
Drop 1839192 (2^2*3*7, ECMed C121)
Drop 1752492 (2*3^2*ECMed C117)

Taking 698922

Drop 1651470 (2^4*3^2*5*31, ECMed C113)

Taking 1615224 1653078 1658046 1689966 1718094 1733970 1738170 1748292 1772280 1784622 1828710 1839894 1856880 1882692 1943568 1972830

Drop 1943556 (2^4*31*ECMed C126)
Drop 1651470 (2^4*3^2*5*31, ECMed C113)
Drop 1927800 (2^4*7, ECMed C113)

Reserving 89760
Update 1938468 1989288

Drop 1507806 (2^2*7, ECMed C124)

Drop 219240 (2^3*3*C143, 4000@3e6 done on the C143)

Drop 169890 (2^3*3, C143 cofactor which has survived 4000@3e6)