Base 22 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
* 255: | \[{22^{255}-1\over21}\] | 3 × 132 × 61 × 239 × 613 × 2551 × 245411 × 4363561 × 74729519 × 858794191 × 176634767651<12> × 11815640729491<14> × 29084130008763268099<20> × 485564174838252486973<21> × 17989008180100667691087044555772784535535736604655195356475970322558365768588051<80> × [235016266571192012588659291218401546992617168840654677691073118693367485371338376978117657569239301152189331192264858521338990928653749314769117192848368111<156>] |