Base 8 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 479: | \[{8^{479}-1\over7}\] | 33385343 × 6293443049<10> × 36329495383<11> × 133800079034660627402599<24> × 683481445118041278287416124073722711169070307627777892361<57> × 117166794471137237993098469105117594115732235942418044032585601<63> × 10869186607773319558730501484452015470992764113369214593828236615596881<71> × 287031409597396291529341460872951621315514329092527118344752584974790426307673535303439<87> × 2129060969393615366549799401700637413703004449451994301858109970902281985556890355980801573014378418676313<106> |