Base 13 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 108: | \[{13^{108}-1\over12}\] | 22 × 33 × 5 × 7 × 17 × 19 × 37 × 61 × 109 × 157 × 163 × 271 × 937 × 28393 × 428041 × 650971 × 904663 × 1471069 × 1609669 × 16764949 × 762615992953<12> × 4220430741361<13> × 57583418699431<14> × 1639740678532467913<19> |