Base 13 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 192: | \[{13^{192}-1\over12}\] | 26 × 3 × 5 × 7 × 17 × 61 × 97 × 157 × 193 × 1009 × 1153 × 1601 × 2657 × 10433 × 14281 × 28393 × 88993 × 441281 × 283763713 × 407865361 × 815702161 × 127028743393<12> × 659481276875569<15> × 403791981344275297<18> × 68675120456139881482562689<26> × 11352931040252580224415980746369<32> × 14977427998321433931503086910333672833<38> |