Base 5 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| * 957: | \[{5^{957}-1\over4}\] | 31 × 59 × 199 × 5569 × 6961 × 19141 × 28711 × 35671 × 95701 × 12207031 × 533942839 × 386478495679<12> × 22125996444329<14> × 1235008309833682099<19> × 28870194250662203210437116612769<32> × 103842769598157852780123277204006116809062929798301541558844883634526221<72> × 776075020608013853084015825517659188849614223099326890205572761126917024179170896587898321123757930178672436359<111> × [48410691060520656549037159642363607199832864943020628087744707962180251421951434098098104488780703868803598770308852142007606688763070103513602158666603372994597356251603967791575093214928359168069639222809056704600085878551241745046991606489109069058121818497674864296592794204920413997851302080043084399877755940613896876447722066564923448527119362128094569863369<365>] |