Base 8 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 422: | \[{8^{422}-1\over7}\] | 32 × 4643 × 15193 × 9878177 × 2399291551 × 5344743097<10> × 199061567251<12> × 17689153588009<14> × 60272956433838849161<20> × 60560850681938908875991<23> × 9970146666059203361408046051199<31> × 22481127512575175864234185190299<32> × 3593875704495823757388199894268773153439<40> × 3126092185651464401289035764906947922212259<43> × 60377696324322249075824028749967823864613982859609<50> × 1154875410944026313240444067223964536168936371124342366313272376386677973122363537241<85> |