Base 22 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
173: | \[{22^{173}-1\over21}\] | 7935852181199<13> × 4680568664158854462771616034736810865697194110388293769441790650608323423137161266363<85> × 22233728444025932335145531739326944783834165300876513367940322752305427201716806735615027186103958923665571918759421084731546776515863<134> |