Base 9 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
70: | \[{9^{70}-1\over8}\] | 2 × 52 × 112 × 29 × 61 × 71 × 547 × 1093 × 1181 × 16493 × 28596961 × 32839661 × 94373861 × 2664097031 × 374857981681<12> |