Base 13 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 296: | \[{13^{296}-1\over12}\] | 23 × 5 × 7 × 17 × 149 × 223 × 1481 × 3257 × 14281 × 21017 × 152219 × 12716161 × 67495678093<11> × 560678027993<12> × 1548921490187<13> × 4287755796749<13> × 31964044249933<14> × 1738568407946597<16> × 10626791079749447<17> × 613735291639671522765908606069959851453062958262028210920934089<63> × 1101387676814956556300009364106804555971465119126162820572961736808253230482686746360188987992510684440680587669783344681469522482654035921<139> |