# via Kurt Beschorner
n=9679: c9679(1111111111......) = 8731993366626702573478756300748972467 * c9642(1272459866......)
# ECM B1=1e6, sigma=282982107171835
n=10053: c6669(5531930704......) = 11897429002540730275166073669043 * c6638(4649685830......)
# ECM B1=1e6, sigma=2880219009495013
n=10089: c6205(2194546191......) = 14259395992830372945405078115966489 * c6171(1539017636......)
# ECM B1=1e6, sigma=7720465634134014
# via yoyo@home
n=697: c538(3120136129......) = 17197330244963852284951729944354742482088042881277549790486083 * c477(1814314248......)
# ECM B1=260000000, sigma=0:1841309130937600685
# via Kurt Beschorner
n=9931: c9931(1111111111......) = 242436817012717437376124014346203853641 * c9892(4583095607......)
# ECM B1=1e6, sigma=3777660168348482
# via Kurt Beschorner
n=52561: c52561(1111111111......) = 1238349275694000429756109601 * c52533(8972517955......)
# ECM
n=52567: c52567(1111111111......) = 1290064649160129760858559 * c52542(8612832789......)
# ECM
n=52711: c52711(1111111111......) = 20661579612272570975095337102477 * c52679(5377667787......)
# ECM
# via yoyo@home
n=2260M: c406(9258104828......) = 18052666514161195998906370852089893675820262674770681 * c354(5128386336......)
# ECM B1=260000000, sigma=0:7195572666392681331
n=3003: c1380(8013815261......) = 24378016432059173538941112558551217423002758218439 * c1331(3287312273......)
# ECM B1=30e6, sigma=6772474587441938