Base 14 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 448: | \[{14^{448}-1\over13}\] | 3 × 5 × 17 × 292 × 41 × 113 × 193 × 197 × 449 × 937 × 1009 × 3361 × 5393 × 7489 × 8737 × 16097 × 176597 × 774929 × 7027567 × 8108731 × 1004200961 × 1204905857 × 1667461121 × 112639810230529<15> × 315256811699009<15> × 11284732320255809<17> × 4110630794871608561<19> × 10497634952540738837296261662243227617<38> × 63548122366971161956767320706882818393288055809<47> × 3724960984845920559759780516076021115473979306774081<52> × 11391550774041320502708207812829356141247683534708097103951162833975675046104264872802683436919441505148696283517326936260888332160890587028159757909406497865477887065745078188930597167192214851379331016918610524199976961<221> |