Base 11 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
78: | \[{11^{78}-1\over10}\] | 22 × 32 × 7 × 19 × 37 × 53 × 79 × 157 × 313 × 547 × 911 × 1093 × 63649 × 84631 × 480091 × 32508061 × 59583967 × 3158528101 × 538953023961943033<18> |