Base 13 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 346: | \[{13^{346}-1\over12}\] | 2 × 7 × 347 × 113489 × 481633 × 100512721293404023<18> × 33244834894845209424542011<26> × 2668886212023902028352164665256628273<37> × 5057376122868931570584342959254453190874548299928644519<55> × 8163405878380667804798708084278534501566309837375304330651<58> × 22647445498229982183500307283402183695202973699221057695327421529872257245099861072879780443562736308635594279799471520294465943224607283375137230582446985192199359637573528268639<179> |