Base 8 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 165: | \[{8^{165}-1\over7}\] | 23 × 31 × 73 × 89 × 151 × 199 × 631 × 881 × 991 × 3191 × 23311 × 153649 × 201961 × 599479 × 33057806959<11> × 2048568835297380486760231<25> × 334202934764737951438594746151<30> × 6084777159537635796550536863741698483921<40> |