Base 10 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 266: | \[{10^{266}-1\over9}\] | 11 × 239 × 1597 × 4649 × 909091 × 2021015460335957<16> × 909090909090909091<18> × 1111111111111111111<19> × 247025236977306025681323889<27> × 61828645758322140842666144519962696417487<41> × 72021403933746126426491665754465510017877<41> × 278848299862043143754907679390585776516393006235209786029420958416508667488018611321233079<90> |