Base 6 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 208: | \[{6^{208}-1\over5}\] | 7 × 17 × 37 × 53 × 313 × 937 × 1297 × 2341 × 3433 × 37571 × 98801 × 192193 × 760891 × 14090441 × 36265841 × 141365953 × 6291946695217<13> × 8284434950526240125727017<25> × 98327998682892050307547688538841853424435944546993755800017<59> |