Base 5 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 292: | \[{5^{292}-1\over4}\] | 22 × 3 × 13 × 293 × 4853479 × 5729041 × 27133517 × 84128413 × 63554310563<11> × 777612767772190289<18> × 3570677866897550288203<22> × 772557938155429260697128053<27> × 9519524151770349914726200576714027279<37> × 83444903937506307499012871042158205119704061635459618689<56> |