Base 6 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 136: | \[{6^{136}-1\over5}\] | 7 × 37 × 137 × 239 × 409 × 1123 × 1297 × 5849 × 30839 × 190537 × 934117 × 12690943 × 1536052010629489<16> × 8289713345361373993<19> × 51420576374811381403609445473<29> |