Base 14 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 248: | \[{14^{248}-1\over13}\] | 3 × 5 × 41 × 197 × 937 × 1613 × 2729 × 3163 × 168269 × 446401 × 118269961 × 7476844183<10> × 3519020880787<13> × 146631476887771020062843377<27> × 2400411111484551632195686124897<31> × 26063080998214179685167270877966651<35> × 1305409674843587956181760321758227903131748953619621107238125901<64> × 3019688533961408677990058944537182809163173715009978682551834523493041<70> |