Base 12 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 209: | \[{12^{209}-1\over11}\] | 11 × 23 × 419 × 167246399 × 266981089 × 19043506626213169<17> × 29043636306420266077<20> × 2877972269567413524001<22> × 131258359076578876173923<24> × 4714073727036453202094931887<28> × 69009369813440074752733903528605698853411351447583706180210792896865685358444746197001447853741<95> |