Base 22 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 170: | \[{22^{170}-1\over21}\] | 23 × 103 × 137 × 239 × 1871 × 15131 × 224071 × 245411 × 4363561 × 12296611 × 74729519 × 128000923 × 1594728827 × 176634767651<12> × 1713037059281<13> × 354560500268828655489369265141<30> × 406604967744602024092343385941<30> × 17989008180100667691087044555772784535535736604655195356475970322558365768588051<80> |