Base 22 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 248: | \[{22^{248}-1\over21}\] | 5 × 23 × 73 × 97 × 373 × 3209 × 4093 × 23298361 × 208290241 × 3592159411 × 45727606853<11> × 24368768938283491<17> × 13301795714853532637<20> × 1971663731022770459161<22> × 5464220413673727340561927632817<31> × 6039606036033908084006984030850194855977<40> × 439027126480216527815749194651986363019453333330280681<54> × 1347595546708724391626244944657981110721016246774979565609337748882905503486127548994285808481001481<100> |