Base 15 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 378: | \[{15^{378}-1\over14}\] | 24 × 7 × 19 × 43 × 109 × 127 × 211 × 241 × 379 × 541 × 739 × 811 × 883 × 2647 × 21061 × 123229 × 399043 × 723031 × 1743463 × 10137331 × 10678711 × 16354441 × 48675439 × 191354311 × 829049498029<12> × 1470374630929<13> × 2817034275427<13> × 269297040407347<15> × 1477891879996957031251<22> × 15105332280488398974794287<26> × 4427723399014411115015445589<28> × 19944576115520464846832773603324107169<38> × 417123043115750030934495801596194246441<39> × 13066129040138332937552963634251565937097327408254876994777161<62> × 65910193375829515789522439962695288097687915317001960975319946826179766127261614695259<86> |