Drop 1836144 (2^2*7, ECMed C112)
Drop 1832760 (2^3*3^3*7*ECMed C118)

Drop 1043280 (2^6*3^2*C140); the C140 survived 4000@3e6

Drop 1848000 (2^4*31, ECMed C127)

Taking 1700190 1706418 1729392 1736868 1746840 1752000 1752420 1758144
Taking 1769742 1776654 1781964 1792584 1794156 1794744 1807584 1817298
Taking 1821480 1838568 1842312 1851568 1868130 1878828 1878966 1890984
Taking 1900338 1907562 1925352 1956636

(C102, last touched in 2017)

Drop 1769742 (2^3*3*5^2, ECMed C116)
Drop 1942872 (2^3*3^2*13, ECMed C116)
Drop 1982664 (2^4*3*31, ECMed C116)

Drop 151392 (2^5*3*7*17*C149 which survived 4000@3e6)

Drop 1647912 (2^3*3*5*11, ECMed C126)
Drop 1723008 (2^4*7, ECMed C121)
Drop 1941576 (2^2*7*ECMed C122)
Drop 1982816 (2^5*5*7, ECMed C118)

Drop 1794744 (2^2*3^2*5^2, ECMed C119)
Drop 1838568 (2^3*3*5, ECMed C116)
Drop 1851568 (2^5*3*7, ECMed C112)

Take 1997904

drop 1978530 1988022 1962108 1704096 1600488 1659510 1990620

Drop 1891032