Base 8 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 105: | \[{8^{105}-1\over7}\] | 7 × 31 × 71 × 73 × 127 × 151 × 337 × 631 × 23311 × 29191 × 92737 × 106681 × 122921 × 152041 × 649657 × 870031 × 983431 × 29728307155963706810228435378401<32> |