Base 22 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| * 319: | \[{22^{319}-1\over21}\] | 59 × 67 × 353 × 88987603 × 120593021 × 190245859 × 1176469537 × 141245140147<12> × 35850499480291<14> × 64052303668365610463<20> × [7487956400938538691214349557102071098145819335124719122875331076767619715309865102078826995646460408617920904356522331981862433746616332628079711417330017016094371408999502457312854487257818626582653687445345346742601796091038231104546268303261660747339333246790926416931825889097224423324926675010916371908101635647251445522171293503457742497<343>] |