Base 22 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
72: | \[{22^{72}-1\over21}\] | 32 × 5 × 132 × 19 × 23 × 37 × 73 × 97 × 127 × 157 × 463 × 1489 × 2161 × 3209 × 18973 × 191353 × 286777 × 297613 × 5966803 × 514642753 × 18311943313<11> × 148587991152333066577<21> |