Base 26 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| * 221: | \[{26^{221}-1\over25}\] | 1123 × 153817 × 27764777 × 3574533119 × 40385656825829055229<20> × 953309118529583944441<21> × [310178282727100597027504546138411386303462450806643518460885354105615557691241840883654545206469140172874233674664739338941372429275764754788079390197945419476484239413602820001044261210787088789932524222371097165218191389538683088733930763230583<246>] |