Base 22 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
44: | \[{22^{44}-1\over21}\] | 5 × 23 × 67 × 89 × 97 × 353 × 1176469537 × 285451051007<12> × 9617835527609<13> × 73194743542229<14> |