Base 8 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| * 779: | \[{8^{779}-1\over7}\] | 1559 × 13367 × 32377 × 524287 × 1212847 × 3142487 × 3887047 × 19163401 × 21726311 × 164511353 × 2921268697 × 104003232119<12> × 164597693569197241<18> × 177722253954175633<18> × 202664437974567925010435751833<30> × 414479654253572055973850743465059567882673<42> × 539043252861508730639718553683237826728217905315243065969<57> × 13854484443712514445168803810885340128909905014273691033212675405002546908076327641519<86> × [2294476779933226130422394263035149122793675786140676777793077605172909732181861875637548000805368547706152396920472403736586091946492498743475922222391625033386387870737120003080112992085133793551580754653051979935512645772987117593464808727537186263556928882392711221534619741460716791297069045970709168502560492864622723873784806112523496386804770145574530751614766475622871<376>] |