Base 22 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 163: | \[{22^{163}-1\over21}\] | 10433 × 1500382213529<13> × 3046861505578633091282027364892601385849504863643649477<55> × 26172428540898851223308811565986015728902486424117627265244849787<65> × 24909776343330578783676726250009705851154504771464556696797116510168142884766535949<83> |