Base 3 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 135: | \[{3^{135}-1\over2}\] | 112 × 13 × 109 × 181 × 433 × 541 × 757 × 1621 × 4561 × 8209 × 927001 × 53825041 × 773618132427345151923061<24> |