Base 3 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 384: | \[{3^{384}-1\over2}\] | 28 × 5 × 7 × 13 × 17 × 41 × 73 × 97 × 193 × 577 × 769 × 6481 × 7297 × 68737 × 76801 × 280321 × 15687169 × 21523361 × 96948097 × 339601921 × 24127552321<11> × 3167109739009<13> × 70613232600577<14> × 926510094425921<15> × 2492798330262060062236523521<28> × 1716841910146256242328924544641<31> |