Base 3 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 472: | \[{3^{472}-1\over2}\] | 24 × 5 × 41 × 3187 × 87793 × 14425532687<11> × 66454972460489<14> × 489769993189671059<18> × 1108439448677340328268341<25> × 79024015559441654878348076969<29> × 19966781110160346782368664772328944885905284750420567849<56> × 1054522365263390897709349124952111235000368717671129413647298417<64> |