Base 6 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 104: | \[{6^{104}-1\over5}\] | 7 × 37 × 53 × 313 × 937 × 1297 × 2341 × 3433 × 37571 × 192193 × 760891 × 14090441 × 6291946695217<13> × 8284434950526240125727017<25> |