Base 3 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 288: | \[{3^{288}-1\over2}\] | 26 × 5 × 7 × 13 × 17 × 19 × 37 × 41 × 73 × 97 × 193 × 577 × 757 × 769 × 6481 × 76801 × 530713 × 21523361 × 1418632417 × 24127552321<11> × 282429005041<12> × 56227703611393<14> × 77826286120321<14> × 81754966841140318493187568203841<32> |