Base 3 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 369: | \[{3^{369}-1\over2}\] | 13 × 83 × 757 × 51169 × 2526913 × 86950696619<11> × 1767210188478589<16> × 1999827817517387044561568810795329<34> × 1759724071436548765346159620165587470531843369997804917539857566975302149297172380961733001454672309<100> |