Base 3 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 720: | \[{3^{720}-1\over2}\] | 25 × 52 × 7 × 112 × 13 × 17 × 19 × 31 × 37 × 41 × 61 × 73 × 97 × 181 × 193 × 241 × 271 × 577 × 757 × 769 × 1181 × 1621 × 4561 × 4801 × 6481 × 13921 × 14401 × 154081 × 176401 × 298801 × 387631 × 411841 × 530713 × 755551 × 927001 × 26050081 × 42521761 × 47763361 × 116809201 × 1418632417 × 128653413121<12> × 282429005041<12> × 2081711451601<13> × 56227703611393<14> × 452808441334403281<18> × 51383579021948491809121<23> × 63928696714293737465281<23> × 26166382506293070985608961<26> × 9979444961038929089178641288987215705921402373894124037921<58> |