Base 10 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
100: | \[{10^{100}-1\over9}\] | 11 × 41 × 101 × 251 × 271 × 3541 × 5051 × 9091 × 21401 × 25601 × 27961 × 60101 × 7019801 × 182521213001<12> × 14103673319201<14> × 78875943472201<14> × 1680588011350901<16> |