Base 13 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 414: | \[{13^{414}-1\over12}\] | 2 × 32 × 7 × 19 × 47 × 61 × 139 × 157 × 271 × 277 × 829 × 937 × 1151 × 1381 × 2347 × 7039 × 10903 × 20287 × 1609669 × 39674449 × 1598219928127<13> × 84801400975699<14> × 282244620282733<15> × 2519545342349331183143<22> × 22271867346104672186904295489<29> × 1577551654677578101258914545922231304801732231<46> × 17305228489237445144548693353643604105181677611142894535306465838651769631496774253458273376899375358921422700557686798764757223<128> × 65305201809943091240447255911181298077414606659459864951808073288985845258206514568910762738401923026204600674151473007912444689830654300643<140> |