Base 11 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 121: | \[{11^{121}-1\over10}\] | 15797 × 30977 × 1806113 × 1595696213 × 12407691244609<14> × 5827936611244526238090411072120200760787337546713940438859172127240114655549487246036729<88> |