Base 22 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 340: | \[{22^{340}-1\over21}\] | 52 × 23 × 97 × 103 × 137 × 181 × 239 × 401 × 1871 × 15131 × 108461 × 150901 × 224071 × 245411 × 4363561 × 12296611 × 33199981 × 74729519 × 128000923 × 1594728827 × 81665823661<11> × 176634767651<12> × 1713037059281<13> × 40148810248988716318867981<26> × 354560500268828655489369265141<30> × 406604967744602024092343385941<30> × 83436447569696846137157887090522121537<38> × 175121442020680274473015267366514992349681<42> × 17989008180100667691087044555772784535535736604655195356475970322558365768588051<80> × 355475223194307424511461988596208432377296640267501782067093220686178969476588086472481<87> |