Base 13 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 190: | \[{13^{190}-1\over12}\] | 2 × 7 × 11 × 191 × 2411 × 27361 × 30941 × 4986361 × 12865927 × 19755615371<11> × 3657554614741<13> × 5810151294071<13> × 9468940004449<13> × 104422877883960436477<21> × 410238160841225918069460229505431108772901361<45> × 5665149551002469378124906493775113839759111608599508854624282853831<67> |