Base 31 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 273: | \[{31^{273}-1\over30}\] | 3 × 43 × 792 × 331 × 2549 × 6301 × 13807 × 39703 × 42407 × 506689 × 1661479 × 2426789 × 7908811 × 917087137 × 2813432694367<13> × 211173991474447<15> × 473516688426601<15> × 36431906368440493<17> × 81651312342656239<17> × 175500339130677572941801<24> × 1122399563430440797573237387545143<34> × 102672478567468007638784142574112507144367962863477<51> × 185132557920495596938145804851263886171336743664750756385617201453064721365938284607149364843137310486212177062376188851995613512642388803830408032658645002786021<162> |