Base 12 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 237: | \[{12^{237}-1\over11}\] | 157 × 6637 × 162109 × 130479719 × 114598432057<12> × 1286930998217149714369<22> × 27567862476721705741499814127507129428735247904137980751231873<62> × 76494176644883024311481667849289772416539630742339006654920677525033713<71> × 77370537348083186697234206796711379983732285083928961107335722804796087<71> |