Base 7 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 460: | \[{7^{460}-1\over6}\] | 24 × 53 × 11 × 47 × 191 × 281 × 461 × 1151 × 2801 × 3083 × 4021 × 26681 × 188831 × 649981 × 1207501 × 1446701 × 15513961 × 48203401 × 100429501 × 1853224081 × 723461377501<12> × 9118947413041<13> × 31479823396757<14> × 3421093417510114543<19> × 27229507836853201541<20> × 55681942361860463813<20> × 32338809757665390121614112981<29> × 996024428653721875791186905187314201<36> × 2202139489915078600357637697953297050113840051292971217537801<61> × 148973054545483690255727189811304516601328617781441018247035769780592143895059621<81> |