Base 4 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 865: | \[{4^{865}-1\over3}\] | 11 × 31 × 347 × 4153 × 730753 × 1505447 × 29923811 × 526769431 × 35374479827<11> × 47635010587<11> × 70084436712553223<17> × 60313752055701307811411<23> × 155285743288572277679887<24> × 1643464247728189221623609<25> × 3205853408074298683566650869570798974094347365546830062745393897406012552557721<79> × 322840049452668076280247037005800758274547345385472479309983070175409126454761698489088892852328531<99> × 1258272604747852197232741210941833731855257332095240527500356058501701460863450835930666270197833475895189565478632457967802546928810527714118442244703933699968719579474980372595868500608837526185081<199> |