Base 3 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 368: | \[{3^{368}-1\over2}\] | 25 × 5 × 17 × 41 × 47 × 193 × 1289 × 112241 × 2057857 × 2190337 × 12553493 × 1001523179 × 4475616001<10> × 23535794707<11> × 70601370627701<14> × 79781171123090497<17> × 743170846305411756447828504941347481129<39> × 5205275952266186599636069674258967961777<40> |