Base 8 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 441: | \[{8^{441}-1\over7}\] | 72 × 73 × 127 × 337 × 2647 × 92737 × 126127 × 262657 × 309583 × 649657 × 1560007 × 5828257 × 5887351 × 17072111071<11> × 4432676798593<13> × 1105196924013081302593<22> × 2741672362528725535068727<25> × 4487533753346305838985313<25> × 207617485544258392970753527<27> × 7086423574853972147970086088434689<34> × 1105597066741955572358787642214880896705389887364638307697<58> × 1165947723494690157800592018363811427212896689968307154651496404703479351102834771406342326189113950353935043193385251010712239167<130> |