Base 10 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 148: | \[{10^{148}-1\over9}\] | 11 × 101 × 149 × 3109 × 7253 × 111149 × 2028119 × 247629013 × 708840373781<12> × 422650073734453<15> × 296557347313446299<18> × 669031686661427842829<21> × 2212394296770203368013<22> × 40548140514062774758071840361<29> |