Base 8 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 357: | \[{8^{357}-1\over7}\] | 7 × 73 × 103 × 127 × 239 × 337 × 919 × 2143 × 4999 × 10711 × 11119 × 20231 × 92737 × 131071 × 649657 × 861229657 × 52877551231<11> × 62983048367<11> × 91005071977<11> × 131105292137<12> × 245262248913715001137177<24> × 75582488424179347083438319<26> × 5880734007124467829187484937<28> × 8889432124593512497963252165417<31> × 2044333418084691639917563561172180103378559<43> × 528629005954028696833543472539147136086019937844585987449461707907623<69> |