n=5343: c3257(2397281922......) = 3525322771977413056255524361 * x3229(6800177112......)
# ECM B1=1e6, sigma=3836367710
n=5343: x3229(6800177112......) = 336647505619143626440569276787 * c3200(2019969552......)
# ECM B1=1e6, sigma=2987431274
n=5367: c3572(2797568241......) = 301626525867177894551347114063323187 * x3536(9274941034......)
# ECM B1=1e6, sigma=3078028062
n=5367: x3536(9274941034......) = 1714438974228001146480733092588353533 * c3500(5409898616......)
# ECM B1=1e6, sigma=2335006087
n=5285: c3563(5727522841......) = 28701135721103136521388647016641 * c3532(1995573588......)
# ECM B1=1e6, sigma=2764498824
n=5291: c4311(1837455441......) = 3035514546100222269853285450551761 * c4277(6053192674......)
# ECM B1=1e6, sigma=1763227001
n=1131: c603(4989001498......) = 51839121724724273227149422213775802695532921 * c559(9624008533......)
# ECM B1=11e7, sigma=3539572268
n=5235: c2757(6326007524......) = 413269634090396642076246991 * c2731(1530721592......)
# ECM B1=1e6, sigma=1313909630