Base 6 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 388: | \[{6^{388}-1\over5}\] | 7 × 37 × 389 × 1747 × 145501 × 1586365166597<13> × 572240484565153<15> × 7449708398813963<16> × 6571212276076854019883<22> × 18969653181299397175271<23> × 4043711238187229705754319631461<31> × 29579867253585988507046633033646287<35> × 8826499007361715764052964663075774479<37> × 734372080474793678906021422463514049148550002670519664000487092889481689990734400652683385304876957<99> |