Base 8 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 252: | \[{8^{252}-1\over7}\] | 34 × 5 × 7 × 13 × 19 × 29 × 37 × 43 × 73 × 109 × 113 × 127 × 337 × 379 × 757 × 1429 × 5419 × 14449 × 87211 × 92737 × 119827 × 246241 × 262657 × 279073 × 649657 × 1560007 × 40388473189<11> × 77158673929<11> × 118750098349<12> × 127391413339<12> × 56202143607667<14> × 207617485544258392970753527<27> × 456376431053626339473533320957<30> × 304832756195865229284807891468769<33> |