Base 22 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 272: | \[{22^{272}-1\over21}\] | 5 × 172 × 23 × 73 × 97 × 103 × 137 × 239 × 3209 × 108461 × 158849 × 27385777 × 74729519 × 128000923 × 132928441 × 1594728827 × 3227992561 × 176634767651<12> × 55923475097612612881<20> × 3386406398193800684960801<25> × 69878596828668155646166282247389393<35> × 83436447569696846137157887090522121537<38> × 5278316128122213995990608836826661525688769<43> × 35850642133354336329617728671909540061182641<44> × 22589506329087718918750669926627652117211730747851856862282447467546313<71> |