Base 31 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| * 305: | \[{31^{305}-1\over30}\] | 5 × 11 × 6101 × 14519 × 17351 × 50848444051<11> × 483975481956469351<18> × 12712081567468100953<20> × 13578586277937589671409<23> × 4084198097550735597635971<25> × 2458422198511222771859601111973397<34> × [678008145751094548982372922599362356024854584015209736920992034188749407828758502016499253536623360572837322651425290857043213129519187930952306142825201136816776815949658330343999501603125671756527505004641280525331171071524055714566060197155254722544728771385517761666681182939564021060730022204794215182311081<312>] |