Base 8 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 404: | \[{8^{404}-1\over7}\] | 32 × 5 × 13 × 607 × 809 × 1213 × 1896781 × 10838917 × 12753877 × 112102729 × 9491060093<10> × 5218735279937<13> × 7432339208719<13> × 600503817460697<15> × 341117531003194129<18> × 53425037363873248657<20> × 482601694398006137569<21> × 2793938563264652590777<22> × 95100512443200474214163449<26> × 77925614902328634480464127349<29> × 845100400152152934331135470251<30> × 19112684214957755703306290219340140859813072336321619<53> × 1512768222413735255864403005264105839324374778520631853993<58> |