Base 29 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 220: | \[{29^{220}-1\over28}\] | 22 × 3 × 52 × 112 × 23 × 31 × 401 × 421 × 1061 × 338141 × 732541 × 5618383 × 72384467 × 78400741 × 470925821 × 41281260791<11> × 402546025333<12> × 1193512007711<13> × 18944890940537<14> × 13323049382040421<17> × 439165605149799397<18> × 9582461125713211290721<22> × 5625377963242179726741631<25> × 438944644690200372296447087867710541<36> × 910284915914974573967290348149160534561<39> × 233597992778436995274634541277880897135427433410264784246341<60> |