Base 19 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 188: | \[{19^{188}-1\over18}\] | 23 × 5 × 181 × 283 × 11093 × 13948811059<11> × 29174887913<11> × 1442170504139195906052750254478575917037087<43> × 70169234660105574400577005075855017842743056666917902427141<59> × 151049997641456870166155728583158456007822164863385247519814102878911151406052275356397022968437544270316337<108> |