29-multiple branch 2175=29*75=3*725. Started from the 22-point 725 witness embedded in modulus 2175, added two immediate compatible points, then used delete-and-refill local search. Found 30 points. This tests the 3*5^k branch relevant to 15225=7*2175.
Yongxi (Aaron) Lin · 2026-08-08 15:10:31 UTC