Base 19 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| * 474: | \[{19^{474}-1\over18}\] | 22 × 3 × 5 × 73 × 127 × 10429 × 32233 × 1380763 × 698986471 × 25871039291<11> × 17970909697927<14> × 39848579602213<14> × 141508004732745147372074964496714621<36> × 12577647923565067982570531255067267090413921105116610018487966576192735681081030635731<86> × 203090965417343967234510740564907491170112944764853353979303474725263072588745170188844849<90> × [12659710113173528090399205357812001745222056814452059265733176098949899576348138915393566256232784827012150889837402078070010959208753356512883658374923<152>] × [1040548576079043741166451939663659042517266064882813789092577551718576409997763813415561614812314585071981610397613103431696298615003863328001285732234645881861037016431915722067<178>] |