Base 13 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 530: | \[{13^{530}-1\over12}\] | 2 × 7 × 11 × 107 × 2411 × 3499 × 30941 × 47701 × 194723 × 7504072417<10> × 202326783229<12> × 153732934672231<15> × 189541180943969<15> × 8403659652641423<16> × 37379721025854083<17> × 39349502420618381<17> × 274690322498001718403<21> × 55153673576800847229991<23> × 2288880189942421724622599551<28> × 84307655096946646183155770425843913201<38> × 995302385654858943362521394340710481547525308990191<51> × 8775751904301278445631195813556440593234404843468362663523356716655029469995564220923596319003246138032727103487215049299621<124> × 36665603561083557109858044030171475856861729911981126748441452435041989841244517923466659035868090746722311061198990731199534462673273265991423772656047771307832620701623399728914441<182> |