n=3017: c2576(2130732474......) = 49473518867236296999163440070344126523 * c2538(4306814076......)
# ECM B1=11e6, sigma=5943577211292700
n=12320: c3840(9999999999......) = 12387457044434846313038653536577732392641 * c3800(8072681878......)
# ECM B1=3e6, sigma=383306035719674
n=12321: c7955(4352808270......) = 98481601921708468998211578895369 * c7923(4419920254......)
# ECM B1=1e6, sigma=1985997901299033
# via Kurt Beschorner
n=32507: c32507(1111111111......) = 2300930380372305197566072049639 * c32476(4828964494......)
# ECM B1=1e6, sigma=0:7501853553690321
n=1946: c761(1375176234......) = 27554793188997041736632096781280014586232237622274391333 * c705(4990696990......)
# ECM B1=30e6, sigma=2268919098670077
n=33624: c11163(1294181016......) = 421521330863204485354297 * x11139(3070262219......)
# P-1 B1=120e6
n=33624: x11139(3070262219......) = 12796650901118026271423089 * c11114(2399270123......)
# P-1 B1=120e6
n=100870: c31169(8069681364......) = 595613554200944189681 * c31149(1354851867......)
# P-1 B1=120e6
n=1946: c812(1569202362......) = 1141091827346082725563186077734683523890652491324921 * c761(1375176234......)
# ECM B1=30e6, sigma=2391699717520293
n=1948: c913(3362266856......) = 1245574263344236926178624905967619777496826201 * c868(2699370848......)
# ECM B1=30e6, sigma=298681832424430
n=15109: c14522(7917229388......) = 3126121653732181949392727677 * c14495(2532604378......)
# P-1 B1=330e6
n=100851: c67232(9009009009......) = 1331119777281831087651429151 * c67205(6767992755......)
# P-1 B1=50e6
n=100852: c47737(1009999999......) = 35480851910324239338266251369 * c47708(2846605832......)
# P-1 B1=120e6
n=100855: c77089(1111099999......) = 3630007311475118671 * c77070(3060875377......)
# P-1 B1=55e6
n=100863: c57601(1001000999......) = 1015929284756244359406737203 * x57573(9853057836......)
# P-1 B1=55e6
n=100863: x57573(9853057836......) = 2537548873731441460658709523 * c57546(3882903670......)
# P-1 B1=55e6