Base 13 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 492: | \[{13^{492}-1\over12}\] | 22 × 3 × 5 × 7 × 17 × 61 × 83 × 157 × 739 × 28393 × 638453 × 1340947 × 247072069 × 1089083758501<13> × 1508425553233<13> × 6740847065723<13> × 1374332707191583<16> × 140299545168523469<18> × 45111380897407574171<20> × 763604898951326591407<21> × 34241383511160276465403<23> × 915180098788603185080359<24> × 2500231913819762291766481<25> × 58047259977349384372529747126587<32> × 224092691620166293605409162040912881<36> × 543247503263968284104865806896229786971310456557<48> × 840389424860835825623450583122712313824595083887846329<54> × 78944304950986885361678320272399578587303511161274454982040908477<65> × 140628409145218638585770265542996124898314532575724509624917449522315894413569276630810592833653<96> |