Base 28 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| * 341: | \[{28^{341}-1\over27}\] | 10789 × 1675799 × 6077039 × 14307617 × 50545507 × 639759649 × 342720093766746191<18> × 104175305182941687128096479<27> × [617530941347086338249744030077846817844503664287799911579382956889095122966809808643110320844857028341480240048012417468995778699354585559918990934964476854822029471692989577636131067239323173143202044673915958460013192821746137571151317559196218637182816012572871726304887047417844936861202410346909567548329084197890672829465490774552608544209614641557973596360284916669664776201502740524307922792326139691<408>] |