Base 13 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 399: | \[{13^{399}-1\over12}\] | 3 × 43 × 61 × 337 × 547 × 2129 × 2714377 × 5229043 × 12865927 × 796956375829<12> × 9468940004449<13> × 342952587749901067<18> × 14654187650846568795703728901<29> × 4822700182579243001437254682507<31> × 876888326003646957739121814711911814555937007963385213868622003501562224538027600538016170329361310597317151382384041<117> × 2677960264873048348953889248246310107562582330376071524729533250760443851214149158662079716885270266985155457413098184134821426858126306499311151679909454761097701973343776427190931286927183609<193> |