Base 9 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 161: | \[{9^{161}-1\over8}\] | 47 × 547 × 967 × 1093 × 1933 × 1001523179 × 23535794707<11> × 5468575720021<13> × 124512589982501120520678542758850232589558399<45> × 636961216046002471921398696960338364910115196955450597747751689<63> |