Base 19 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| * 470: | \[{19^{470}-1\over18}\] | 22 × 52 × 11 × 151 × 283 × 911 × 2251 × 8461 × 11093 × 119851 × 13948811059<11> × 72444840731<11> × 86535882862864811<17> × 112906815095011061<18> × 71364664582217825881<20> × 155043606359390016791<21> × 7777894204597627650751<22> × 1442170504139195906052750254478575917037087<43> × 70169234660105574400577005075855017842743056666917902427141<59> × [211991855291649702226152614041214256258829932162870819803526480312350160134805341802077743045937280601483768228118519920845390243704375409411422492070206992434505631<165>] × [29041226028801686527649945662258427493528249364245835178801827422959138241016763053532287238588142406395728179964136638608176965127522432400048309513669011118086729377008792410056822153535461<191>] |