Base 30 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
50: | \[{30^{50}-1\over29}\] | 11 × 31 × 101 × 20051 × 71261 × 837931 × 55762801 × 459946901 × 3087614595569551<16> × 758084147737104963101<21> |