Base 11 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 115: | \[{11^{115}-1\over10}\] | 5 × 829 × 3221 × 95911 × 333041 × 9964291 × 28878847 × 3740221981231<13> × 17184010031686356151<20> × 7298426933083004251958324216375350400730975973787843051<55> |