Base 14 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 140: | \[{14^{140}-1\over13}\] | 3 × 52 × 11 × 292 × 71 × 101 × 113 × 197 × 281 × 1061 × 3361 × 3761 × 22961 × 176597 × 1383881 × 2985431 × 7027567 × 8108731 × 169104974081<12> × 179266059891241<15> × 1153528236782084716841<22> × 53088969266066840356181<23> × 2984619585279628795345143571<28> |