Base 8 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| * 623: | \[{8^{623}-1\over7}\] | 7 × 127 × 337 × 78903841 × 1092576547399<13> × 28753302853087<14> × 74383430474532481<17> × 618970019642690137449562111<27> × 24124332437713924084267316537353<32> × 74716964067758844321661890925503011337830328521<47> × 79674352522894354312422878450005263712074523824062110745148651289621350880376099320960953476231<95> × [1227031054507049717826598533088263621536407894658697876037481515383371051004637747397679160161167067650162982387509444131056503965733135786207499877872916079840835662790928415673687586968988597350422001258204770414943933437312294963451269606053673228880355935153937639524038970707120074201171267636994286529<307>] |