Base 13 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 222: | \[{13^{222}-1\over12}\] | 2 × 3 × 7 × 61 × 157 × 223 × 1481 × 21017 × 152219 × 67495678093<11> × 1548921490187<13> × 4287755796749<13> × 31964044249933<14> × 10626791079749447<17> × 5897148699869174859194378551<28> × 3832014914233819776114475402917811351<37> × 44924290571374325660729797630439312957923351<44> × 25044646268853061600986562366030606612720224127987831<53> |