Base 13 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 425: | \[{13^{425}-1\over12}\] | 103 × 443 × 701 × 9851 × 30941 × 28152511 × 72443801 × 15798461357509<14> × 26988075246851<14> × 2752135920929651<16> × 11435433293542010176161611<26> × 562139171639747303605338416886252422621<39> × 148148898641844823512967361122815990687843779967198377932010322951105349684212678682429425844690206783724576983690640836856804559746516338169516350779194418908587691377638659404210037699425848823671489914463160133791655195847781391342120256111275885774814180375648694925996472576561189987163564577379575251121358240121578568844655710051<336> |