Base 10 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
90: | \[{10^{90}-1\over9}\] | 32 × 7 × 11 × 13 × 19 × 31 × 37 × 41 × 211 × 241 × 271 × 2161 × 9091 × 29611 × 52579 × 238681 × 333667 × 2906161 × 3762091 × 8985695684401<13> × 4185502830133110721<19> |