Base 22 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| * 211: | \[{22^{211}-1\over21}\] | 2111 × 9003257596511707<16> × 140688678627359959151488549<27> × 20823863493235287170495330518441<32> × 422947784483167443576849133009889<33> × [36055476221228231088071378465882570575604906101807052530738760480376566095517375414080539348926670911890007262720906561191054013568570767901282865716603853561175987739546531<173>] |