Base 15 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 350: | \[{15^{350}-1\over14}\] | 24 × 7 × 11 × 31 × 71 × 1051 × 1531 × 3851 × 4931 × 46751 × 1743463 × 4167731 × 9555151 × 10678711 × 278926201 × 497638891 × 1707033301 × 109049300417401<15> × 34800625873379851<17> × 7112705843777290751<19> × 36083117529286469251<20> × 53096945644422356461<20> × 24773921296335936175820530721790053756713635600024576245577778740657799751412560960692641958998601877594551<107> × 351056481818105725288810491576221240752763346802987200872853015903253558662412824682625892957247776014005938972441383149945420186199543651<138> |