Base 8 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 378: | \[{8^{378}-1\over7}\] | 35 × 7 × 19 × 43 × 73 × 127 × 163 × 337 × 379 × 2593 × 5419 × 71119 × 87211 × 92737 × 119827 × 135433 × 262657 × 649657 × 1560007 × 97685839 × 272010961 × 77158673929<11> × 127391413339<12> × 562873504411<12> × 4744655685883<13> × 56202143607667<14> × 207617485544258392970753527<27> × 12796850334107700077907936359359599238508434514842147354991928158160215113<74> × 34175792320105064276509600649933535697253970335472049142780400956425111741139140798213387072831489<98> |