Base 13 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 242: | \[{13^{242}-1\over12}\] | 2 × 7 × 23 × 419 × 859 × 8713 × 18041 × 131891 × 1801207 × 4911149 × 2644917463 × 4161245903 × 128011456717<12> × 1368405847627633<16> × 236537675815901485856148017522791<33> × 263942790140474441276019462670163232813197217061509703917912996761<66> × 12222142455214504546059307061481052743675873813323465482112831346038181859632766076231652317<92> |