Base 13 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 265: | \[{13^{265}-1\over12}\] | 107 × 30941 × 194723 × 189541180943969<15> × 8403659652641423<16> × 274690322498001718403<21> × 55153673576800847229991<23> × 2288880189942421724622599551<28> × 36665603561083557109858044030171475856861729911981126748441452435041989841244517923466659035868090746722311061198990731199534462673273265991423772656047771307832620701623399728914441<182> |