Base 12 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 103: | \[{12^{103}-1\over11}\] | 3709 × 7417 × 1309643353 × 13951770188639477959439<23> × 226319692803146344014357964333823<33> × 1143630800580569683259972155090034378209<40> |