Base 13 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 264: | \[{13^{264}-1\over12}\] | 23 × 3 × 5 × 7 × 17 × 23 × 61 × 67 × 89 × 157 × 331 × 419 × 859 × 1123 × 5281 × 6073 × 6997 × 7129 × 14281 × 18041 × 28393 × 122167 × 960961 × 37869877 × 815702161 × 128011456717<12> × 23057835113017<14> × 134799670920553<15> × 3577574298489429481<19> × 17551032119981679046729<23> × 416086662911383416679189<24> × 668229430151772307653060812800711311233<39> × 135758160097276337782476904004905866810806600049216624144950210971527073<72> |