Base 10 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 177: | \[{10^{177}-1\over9}\] | 3 × 37 × 3187 × 2559647034361<13> × 232199557797964905143390121842739619033812919<45> × 4340876285657460212144534289928559826755746751<46> × 121740076243906140440128328771750387895638651224514935329511899287347<69> |