Base 18 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 94: | \[{18^{94}-1\over17}\] | 19 × 20681 × 468121 × 1286609209 × 8694595042987947457948937711495049931245163<43> × 283000552804612324998031105442040281801013193565594903<54> |