Base 13 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 348: | \[{13^{348}-1\over12}\] | 22 × 3 × 5 × 7 × 17 × 59 × 61 × 157 × 233 × 349 × 1741 × 1973 × 2437 × 2843 × 3539 × 8527 × 28393 × 1321357 × 45353101 × 8546789918171<13> × 16397414286709<14> × 14114031000998557<17> × 388719701504541540919<21> × 846041103974872866961<21> × 20970714732554798304809<23> × 808648601294417626878199<24> × 18178782258903260081683549<26> × 4560345610457374306086188377621<31> × 14674767921790976085770389600524979<35> × 32188981953012087857559765746138617<35> × 48898592536658682820603047728758723297<38> × 44187847557316456725982946978827111260217<41> |