Base 5 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 441: | \[{5^{441}-1\over4}\] | 19 × 31 × 379 × 829 × 19531 × 29989 × 280729 × 519499 × 2161279 × 24556351 × 5071357999<10> × 2035895040229<13> × 23792163643711<14> × 78818666779584504109<20> × 203906616815994386234329833781<30> × 227376585863531112677002031251<30> × 6667457715286125980193380399931785881<37> × 1326741989101977002310909280900124438213535612865860634471<58> × 6608505866379298206633367223187863962694898630019536423751<58> |